204415142526155 has 32 divisors (see below), whose sum is σ = 267814448031168. Its totient is φ = 148545330278400.

The previous prime is 204415142526137. The next prime is 204415142526167. The reversal of 204415142526155 is 551625241514402.

It is not a de Polignac number, because 204415142526155 - 2¹⁶ = 204415142460619 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 949101959 + ... + 949317311.

It is an arithmetic number, because the mean of its divisors is an integer number (8369201500974).

Almost surely, 2^{204415142526155} is an apocalyptic number.

204415142526155 is a deficient number, since it is larger than the sum of its proper divisors (63399305505013).

204415142526155 is a wasteful number, since it uses less digits than its factorization.

204415142526155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229247.

The product of its (nonzero) digits is 1920000, while the sum is 47.

The spelling of 204415142526155 in words is "two hundred four trillion, four hundred fifteen billion, one hundred forty-two million, five hundred twenty-six thousand, one hundred fifty-five".