42501101505555 has 128 divisors (see below), whose sum is σ = 85044332814336. Its totient is φ = 17608086374400.

The previous prime is 42501101505433. The next prime is 42501101505601. The reversal of 42501101505555 is 55550510110524.

42501101505555 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 42501101505555 - 2¹⁰ = 42501101504531 is a prime.

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 127 ways as a sum of consecutive naturals, for example, 645615552 + ... + 645681378.

It is an arithmetic number, because the mean of its divisors is an integer number (664408850112).

Almost surely, 2^{42501101505555} is an apocalyptic number.

42501101505555 is an abundant number, since it is smaller than the sum of its proper divisors (42543231308781).

42501101505555 is a wasteful number, since it uses less digits than its factorization.

42501101505555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67577.

The product of its (nonzero) digits is 125000, while the sum is 39.

The spelling of 42501101505555 in words is "forty-two trillion, five hundred one billion, one hundred one million, five hundred five thousand, five hundred fifty-five".