11572837620 has 48 divisors (see below), whose sum is σ = 32409384000. Its totient is φ = 3085572096.

The previous prime is 11572837609. The next prime is 11572837621. The reversal of 11572837620 is 2673827511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11572837621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 460131 + ... + 484629.

It is an arithmetic number, because the mean of its divisors is an integer number (675195500).

Almost surely, 2^11572837620 is an apocalyptic number.

11572837620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11572837620 is an abundant number, since it is smaller than the sum of its proper divisors (20836546380).

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

11572837620 is a wasteful number, since it uses less digits than its factorization.

11572837620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32384 (or 32382 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 11572837620 in words is "eleven billion, five hundred seventy-two million, eight hundred thirty-seven thousand, six hundred twenty".