11520234214531 has 4 divisors (see below), whose sum is σ = 13165981959472. Its totient is φ = 9874486469592.

The previous prime is 11520234214513. The next prime is 11520234214537. The reversal of 11520234214531 is 13541243202511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11520234214531 - 2⁷ = 11520234214403 is a prime.

It is a super-2 number, since 2×11520234214531² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11520234214537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822873872460 + ... + 822873872473.

It is an arithmetic number, because the mean of its divisors is an integer number (3291495489868).

Almost surely, 2^{11520234214531} is an apocalyptic number.

11520234214531 is a deficient number, since it is larger than the sum of its proper divisors (1645747744941).

11520234214531 is an equidigital number, since it uses as much as digits as its factorization.

11520234214531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645747744940.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 11520234214531 in words is "eleven trillion, five hundred twenty billion, two hundred thirty-four million, two hundred fourteen thousand, five hundred thirty-one".