10687504025691 has 16 divisors (see below), whose sum is σ = 15834849523200. Its totient is φ = 7124323082184.

The previous prime is 10687504025533. The next prime is 10687504025837. The reversal of 10687504025691 is 19652040578601.

It is a happy number.

10687504025691 is a `hidden beast` number, since 1 + 0 + 6 + 8 + 75 + 0 + 4 + 0 + 2 + 569 + 1 = 666.

It is not a de Polignac number, because 10687504025691 - 2²⁹ = 10686967154779 is a prime.

It is a super-2 number, since 2×10687504025691² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10687504027691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18589431 + ... + 19155728.

It is an arithmetic number, because the mean of its divisors is an integer number (989678095200).

Almost surely, 2^{10687504025691} is an apocalyptic number.

10687504025691 is a deficient number, since it is larger than the sum of its proper divisors (5147345497509).

10687504025691 is a wasteful number, since it uses less digits than its factorization.

10687504025691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37755655 (or 37755649 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 54.

The spelling of 10687504025691 in words is "ten trillion, six hundred eighty-seven billion, five hundred four million, twenty-five thousand, six hundred ninety-one".