10621653287232 has 224 divisors, whose sum is σ = 30575646630144. Its totient is φ = 3234668544000.

The previous prime is 10621653287171. The next prime is 10621653287237. The reversal of 10621653287232 is 23278235612601.

It is a super-2 number, since 2×10621653287232² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10621653287237) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 909304432 + ... + 909316112.

It is an arithmetic number, because the mean of its divisors is an integer number (136498422456).

Almost surely, 2^{10621653287232} is an apocalyptic number.

10621653287232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10621653287232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15287823315072).

10621653287232 is an abundant number, since it is smaller than the sum of its proper divisors (19953993342912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10621653287232 is a wasteful number, since it uses less digits than its factorization.

10621653287232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15417 (or 15407 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

Adding to 10621653287232 its reverse (23278235612601), we get a palindrome (33899888899833).

The spelling of 10621653287232 in words is "ten trillion, six hundred twenty-one billion, six hundred fifty-three million, two hundred eighty-seven thousand, two hundred thirty-two".