42152405155 has 32 divisors (see below), whose sum is σ = 60685332480. Its totient is φ = 27497957760.

The previous prime is 42152405143. The next prime is 42152405161. The reversal of 42152405155 is 55150425124.

It is not a de Polignac number, because 42152405155 - 2⁹ = 42152404643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42152405155.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 265224 + ... + 393253.

It is an arithmetic number, because the mean of its divisors is an integer number (1896416640).

Almost surely, 2^42152405155 is an apocalyptic number.

42152405155 is a deficient number, since it is larger than the sum of its proper divisors (18532927325).

42152405155 is a wasteful number, since it uses less digits than its factorization.

42152405155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658579.

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 42152405155 in words is "forty-two billion, one hundred fifty-two million, four hundred five thousand, one hundred fifty-five".