10551891975 has 48 divisors (see below), whose sum is σ = 17863832832. Its totient is φ = 5494325760.

The previous prime is 10551891967. The next prime is 10551891989. The reversal of 10551891975 is 57919815501.

It is not a de Polignac number, because 10551891975 - 2³ = 10551891967 is a prime.

It is a super-2 number, since 2×10551891975² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent 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, 558534 + ... + 577116.

It is an arithmetic number, because the mean of its divisors is an integer number (372163184).

Almost surely, 2^10551891975 is an apocalyptic number.

10551891975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10551891975 is a deficient number, since it is larger than the sum of its proper divisors (7311940857).

10551891975 is a wasteful number, since it uses less digits than its factorization.

10551891975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18776 (or 18771 counting only the distinct ones).

The product of its (nonzero) digits is 567000, while the sum is 51.

The spelling of 10551891975 in words is "ten billion, five hundred fifty-one million, eight hundred ninety-one thousand, nine hundred seventy-five".