45424531131012 has 72 divisors (see below), whose sum is σ = 125470704340800. Its totient is φ = 13742029379520.

The previous prime is 45424531130977. The next prime is 45424531131019. The reversal of 45424531131012 is 21013113542454.

45424531131012 is a `hidden beast` number, since 4 + 5 + 4 + 2 + 4 + 531 + 13 + 101 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (45424531131019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95512723 + ... + 95987130.

It is an arithmetic number, because the mean of its divisors is an integer number (1742648671400).

Almost surely, 2^{45424531131012} is an apocalyptic number.

It is an amenable number.

45424531131012 is an abundant number, since it is smaller than the sum of its proper divisors (80046173209788).

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

45424531131012 is a wasteful number, since it uses less digits than its factorization.

45424531131012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191500473 (or 191500468 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 45424531131012 its reverse (21013113542454), we get a palindrome (66437644673466).

The spelling of 45424531131012 in words is "forty-five trillion, four hundred twenty-four billion, five hundred thirty-one million, one hundred thirty-one thousand, twelve".