10891595660 has 24 divisors (see below), whose sum is σ = 24951656016. Its totient is φ = 3960580160.

The previous prime is 10891595657. The next prime is 10891595669. The reversal of 10891595660 is 6659519801.

It is a junction number, because it is equal to n+sod(n) for n = 10891595599 and 10891595608.

It is not an unprimeable number, because it can be changed into a prime (10891595669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24753407 + ... + 24753846.

It is an arithmetic number, because the mean of its divisors is an integer number (1039652334).

Almost surely, 2^10891595660 is an apocalyptic number.

10891595660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10891595660 is an abundant number, since it is smaller than the sum of its proper divisors (14060060356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10891595660 is a wasteful number, since it uses less digits than its factorization.

10891595660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49507273 (or 49507271 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 50.

The spelling of 10891595660 in words is "ten billion, eight hundred ninety-one million, five hundred ninety-five thousand, six hundred sixty".