11581433130 has 32 divisors (see below), whose sum is σ = 27972491904. Its totient is φ = 3068709696.

The previous prime is 11581433119. The next prime is 11581433153. The reversal of 11581433130 is 3133418511.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 1224742 + ... + 1234161.

It is an arithmetic number, because the mean of its divisors is an integer number (874140372).

Almost surely, 2^11581433130 is an apocalyptic number.

11581433130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11581433130 is an abundant number, since it is smaller than the sum of its proper divisors (16391058774).

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

11581433130 is a wasteful number, since it uses less digits than its factorization.

11581433130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2459070.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 11581433130 in words is "eleven billion, five hundred eighty-one million, four hundred thirty-three thousand, one hundred thirty".