10621132256 has 48 divisors (see below), whose sum is σ = 23908874976. Its totient is φ = 4549756416.

The previous prime is 10621132243. The next prime is 10621132307. The reversal of 10621132256 is 65223112601.

It is a super-2 number, since 2×10621132256² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517910 + ... + 538026.

It is an arithmetic number, because the mean of its divisors is an integer number (498101562).

Almost surely, 2^10621132256 is an apocalyptic number.

10621132256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10621132256 is an abundant number, since it is smaller than the sum of its proper divisors (13287742720).

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

10621132256 is a wasteful number, since it uses less digits than its factorization.

10621132256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22491 (or 22483 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

Adding to 10621132256 its reverse (65223112601), we get a palindrome (75844244857).

The spelling of 10621132256 in words is "ten billion, six hundred twenty-one million, one hundred thirty-two thousand, two hundred fifty-six".