11657530740 has 48 divisors (see below), whose sum is σ = 32712587712. Its totient is φ = 3101865216.

The previous prime is 11657530733. The next prime is 11657530789. The reversal of 11657530740 is 4703575611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185154 + ... + 239993.

It is an arithmetic number, because the mean of its divisors is an integer number (681512244).

Almost surely, 2^11657530740 is an apocalyptic number.

11657530740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11657530740 is an abundant number, since it is smaller than the sum of its proper divisors (21055056972).

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

11657530740 is a wasteful number, since it uses less digits than its factorization.

11657530740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425616 (or 425614 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 39.

The spelling of 11657530740 in words is "eleven billion, six hundred fifty-seven million, five hundred thirty thousand, seven hundred forty".