42512346502155 has 48 divisors (see below), whose sum is σ = 74112183381600. Its totient is φ = 22543128681984.

The previous prime is 42512346502121. The next prime is 42512346502201. The reversal of 42512346502155 is 55120564321524.

42512346502155 is a `hidden beast` number, since 4 + 2 + 5 + 123 + 4 + 6 + 502 + 15 + 5 = 666.

42512346502155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42512346502155 - 2⁸ = 42512346501899 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 42512346502155.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1549159 + ... + 9350111.

It is an arithmetic number, because the mean of its divisors is an integer number (1544003820450).

Almost surely, 2^{42512346502155} is an apocalyptic number.

42512346502155 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42512346502155 is a deficient number, since it is larger than the sum of its proper divisors (31599836879445).

42512346502155 is a wasteful number, since it uses less digits than its factorization.

42512346502155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7801660 (or 7801657 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 45.

The spelling of 42512346502155 in words is "forty-two trillion, five hundred twelve billion, three hundred forty-six million, five hundred two thousand, one hundred fifty-five".