10621404755507 has 16 divisors (see below), whose sum is σ = 13073432746752. Its totient is φ = 8403148012320.

The previous prime is 10621404755491. The next prime is 10621404755509. The reversal of 10621404755507 is 70555740412601.

It is a cyclic number.

It is not a de Polignac number, because 10621404755507 - 2⁴ = 10621404755491 is a prime.

It is a super-2 number, since 2×10621404755507² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10621404755509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2890253 + ... + 5440254.

It is an arithmetic number, because the mean of its divisors is an integer number (817089546672).

Almost surely, 2^{10621404755507} is an apocalyptic number.

10621404755507 is a deficient number, since it is larger than the sum of its proper divisors (2452027991245).

10621404755507 is a wasteful number, since it uses less digits than its factorization.

10621404755507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8344538.

The product of its (nonzero) digits is 1176000, while the sum is 47.

The spelling of 10621404755507 in words is "ten trillion, six hundred twenty-one billion, four hundred four million, seven hundred fifty-five thousand, five hundred seven".