10621523514 has 96 divisors (see below), whose sum is σ = 25363639296. Its totient is φ = 2955264480.

The previous prime is 10621523491. The next prime is 10621523531. The reversal of 10621523514 is 41532512601.

It is a super-2 number, since 2×10621523514² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2913777 + ... + 2917419.

It is an arithmetic number, because the mean of its divisors is an integer number (264204576).

Almost surely, 2^10621523514 is an apocalyptic number.

10621523514 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10621523514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12681819648).

10621523514 is an abundant number, since it is smaller than the sum of its proper divisors (14742115782).

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

10621523514 is a wasteful number, since it uses less digits than its factorization.

10621523514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3920 (or 3913 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 10621523514 in words is "ten billion, six hundred twenty-one million, five hundred twenty-three thousand, five hundred fourteen".