561014542155 has 16 divisors (see below), whose sum is σ = 899622439200. Its totient is φ = 298541365248.

The previous prime is 561014542091. The next prime is 561014542163. The reversal of 561014542155 is 551245410165.

It is not a de Polignac number, because 561014542155 - 2⁶ = 561014542091 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41642452 + ... + 41655921.

It is an arithmetic number, because the mean of its divisors is an integer number (56226402450).

Almost surely, 2^561014542155 is an apocalyptic number.

561014542155 is a deficient number, since it is larger than the sum of its proper divisors (338607897045).

561014542155 is a wasteful number, since it uses less digits than its factorization.

561014542155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83298830.

The product of its (nonzero) digits is 120000, while the sum is 39.

The spelling of 561014542155 in words is "five hundred sixty-one billion, fourteen million, five hundred forty-two thousand, one hundred fifty-five".