11312404521530 has 64 divisors (see below), whose sum is σ = 24644474104320. Its totient is φ = 3649745516544.

The previous prime is 11312404521487. The next prime is 11312404521533. The reversal of 11312404521530 is 3512540421311.

It is not an unprimeable number, because it can be changed into a prime (11312404521533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5934419 + ... + 7605401.

It is an arithmetic number, because the mean of its divisors is an integer number (385069907880).

Almost surely, 2^{11312404521530} is an apocalyptic number.

11312404521530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11312404521530 is an abundant number, since it is smaller than the sum of its proper divisors (13332069582790).

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

11312404521530 is a wasteful number, since it uses less digits than its factorization.

11312404521530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676703.

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 11312404521530 its reverse (3512540421311), we get a palindrome (14824944942841).

The spelling of 11312404521530 in words is "eleven trillion, three hundred twelve billion, four hundred four million, five hundred twenty-one thousand, five hundred thirty".