11059531590 has 32 divisors (see below), whose sum is σ = 27939870720. Its totient is φ = 2793986784.

The previous prime is 11059531589. The next prime is 11059531591. The reversal of 11059531590 is 9513595011.

It is an interprime number because it is at equal distance from previous prime (11059531589) and next prime (11059531591).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11059531591) 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, 9700774 + ... + 9701913.

It is an arithmetic number, because the mean of its divisors is an integer number (873120960).

Almost surely, 2^11059531590 is an apocalyptic number.

11059531590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11059531590 is an abundant number, since it is smaller than the sum of its proper divisors (16880339130).

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

11059531590 is a wasteful number, since it uses less digits than its factorization.

11059531590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19402716.

The product of its (nonzero) digits is 30375, while the sum is 39.

The spelling of 11059531590 in words is "eleven billion, fifty-nine million, five hundred thirty-one thousand, five hundred ninety".