2155456534524 has 48 divisors (see below), whose sum is σ = 5036742896640. Its totient is φ = 717436863360.

The previous prime is 2155456534487. The next prime is 2155456534529. The reversal of 2155456534524 is 4254356545512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155456534529) 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, 33970869 + ... + 34034259.

It is an arithmetic number, because the mean of its divisors is an integer number (104932143680).

Almost surely, 2^{2155456534524} is an apocalyptic number.

It is an amenable number.

2155456534524 is an abundant number, since it is smaller than the sum of its proper divisors (2881286362116).

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

2155456534524 is a wasteful number, since it uses less digits than its factorization.

2155456534524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67490 (or 67488 counting only the distinct ones).

The product of its digits is 14400000, while the sum is 51.

The spelling of 2155456534524 in words is "two trillion, one hundred fifty-five billion, four hundred fifty-six million, five hundred thirty-four thousand, five hundred twenty-four".