10621132255 has 4 divisors (see below), whose sum is σ = 12745358712. Its totient is φ = 8496905800.

The previous prime is 10621132243. The next prime is 10621132307. The reversal of 10621132255 is 55223112601.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 10621132255 - 2⁷ = 10621132127 is a prime.

It is a super-2 number, since 2×10621132255² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1062113221 + ... + 1062113230.

It is an arithmetic number, because the mean of its divisors is an integer number (3186339678).

Almost surely, 2^10621132255 is an apocalyptic number.

10621132255 is a deficient number, since it is larger than the sum of its proper divisors (2124226457).

10621132255 is an equidigital number, since it uses as much as digits as its factorization.

10621132255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124226456.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 10621132255 its reverse (55223112601), we get a palindrome (65844244856).

The spelling of 10621132255 in words is "ten billion, six hundred twenty-one million, one hundred thirty-two thousand, two hundred fifty-five".