11512331063620 has 48 divisors (see below), whose sum is σ = 24406887138480. Its totient is φ = 4560965812224.

The previous prime is 11512331063587. The next prime is 11512331063627. The reversal of 11512331063620 is 2636013321511.

It can be written as a sum of positive squares in 8 ways, for example, as 747934388224 + 10764396675396 = 864832^2 + 3280914^2 .

It is not an unprimeable number, because it can be changed into a prime (11512331063627) 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, 4798492 + ... + 6786028.

It is an arithmetic number, because the mean of its divisors is an integer number (508476815385).

Almost surely, 2^{11512331063620} is an apocalyptic number.

11512331063620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11512331063620 is an abundant number, since it is smaller than the sum of its proper divisors (12894556074860).

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

11512331063620 is a wasteful number, since it uses less digits than its factorization.

11512331063620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990312 (or 1990310 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 11512331063620 in words is "eleven trillion, five hundred twelve billion, three hundred thirty-one million, sixty-three thousand, six hundred twenty".