2155456461010 has 64 divisors (see below), whose sum is σ = 4134469651200. Its totient is φ = 806249521152.

The previous prime is 2155456461001. The next prime is 2155456461023. The reversal of 2155456461010 is 101646545512.

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, 114405171 + ... + 114424009.

It is an arithmetic number, because the mean of its divisors is an integer number (64601088300).

Almost surely, 2^{2155456461010} is an apocalyptic number.

2155456461010 is a deficient number, since it is larger than the sum of its proper divisors (1979013190190).

2155456461010 is a wasteful number, since it uses less digits than its factorization.

2155456461010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23155.

The product of its (nonzero) digits is 144000, while the sum is 40.

The spelling of 2155456461010 in words is "two trillion, one hundred fifty-five billion, four hundred fifty-six million, four hundred sixty-one thousand, ten".