42555511555524 has 48 divisors (see below), whose sum is σ = 120359022584640. Its totient is φ = 12895609561920.

The previous prime is 42555511555511. The next prime is 42555511555537.

42555511555524 is a `hidden beast` number, since 4 + 2 + 5 + 5 + 5 + 51 + 15 + 55 + 524 = 666.

42555511555524 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (42555511555511) and next prime (42555511555537).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17910567649 + ... + 17910570024.

It is an arithmetic number, because the mean of its divisors is an integer number (2507479637180).

Almost surely, 2^{42555511555524} is an apocalyptic number.

42555511555524 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42555511555524 is an abundant number, since it is smaller than the sum of its proper divisors (77803511029116).

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

42555511555524 is a wasteful number, since it uses less digits than its factorization.

42555511555524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35821137697 (or 35821137689 counting only the distinct ones).

The product of its digits is 25000000, while the sum is 54.

The spelling of 42555511555524 in words is "forty-two trillion, five hundred fifty-five billion, five hundred eleven million, five hundred fifty-five thousand, five hundred twenty-four".