10890977725 has 6 divisors (see below), whose sum is σ = 13504812410. Its totient is φ = 8712782160.

The previous prime is 10890977689. The next prime is 10890977803. The reversal of 10890977725 is 52777909801.

It can be written as a sum of positive squares in 3 ways, for example, as 66031876 + 10824945849 = 8126^2 + 104043^2 .

It is not a de Polignac number, because 10890977725 - 2¹³ = 10890969533 is a prime.

It is a super-2 number, since 2×10890977725² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 217819530 + ... + 217819579.

Almost surely, 2^10890977725 is an apocalyptic number.

It is an amenable number.

10890977725 is a deficient number, since it is larger than the sum of its proper divisors (2613834685).

10890977725 is an equidigital number, since it uses as much as digits as its factorization.

10890977725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435639119 (or 435639114 counting only the distinct ones).

The product of its (nonzero) digits is 2222640, while the sum is 55.

The spelling of 10890977725 in words is "ten billion, eight hundred ninety million, nine hundred seventy-seven thousand, seven hundred twenty-five".