131045245115120 has 80 divisors (see below), whose sum is σ = 348230303262720. Its totient is φ = 44926654294272.

The previous prime is 131045245115053. The next prime is 131045245115129. The reversal of 131045245115120 is 21511542540131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×131045245115120² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131045245115129) 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, 170750 + ... + 16190109.

It is an arithmetic number, because the mean of its divisors is an integer number (4352878790784).

Almost surely, 2^{131045245115120} is an apocalyptic number.

131045245115120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131045245115120 is an abundant number, since it is smaller than the sum of its proper divisors (217185058147600).

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

131045245115120 is a wasteful number, since it uses less digits than its factorization.

131045245115120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16375182 (or 16375176 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 35.

Adding to 131045245115120 its reverse (21511542540131), we get a palindrome (152556787655251).

The spelling of 131045245115120 in words is "one hundred thirty-one trillion, forty-five billion, two hundred forty-five million, one hundred fifteen thousand, one hundred twenty".