10621626376605 has 64 divisors (see below), whose sum is σ = 18059563008000. Its totient is φ = 5330749916160.

The previous prime is 10621626376601. The next prime is 10621626376609. The reversal of 10621626376605 is 50667362612601.

It is an interprime number because it is at equal distance from previous prime (10621626376601) and next prime (10621626376609).

It is not a de Polignac number, because 10621626376605 - 2² = 10621626376601 is a prime.

It is a super-2 number, since 2×10621626376605² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10621626376601) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 829872996 + ... + 829885794.

It is an arithmetic number, because the mean of its divisors is an integer number (282180672000).

Almost surely, 2^{10621626376605} is an apocalyptic number.

10621626376605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10621626376605 is a deficient number, since it is larger than the sum of its proper divisors (7437936631395).

10621626376605 is a wasteful number, since it uses less digits than its factorization.

10621626376605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24119 (or 24085 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 51.

The spelling of 10621626376605 in words is "ten trillion, six hundred twenty-one billion, six hundred twenty-six million, three hundred seventy-six thousand, six hundred five".