45120505046555 has 16 divisors (see below), whose sum is σ = 54236310489504. Its totient is φ = 36035312083200.

The previous prime is 45120505046531. The next prime is 45120505046587. The reversal of 45120505046555 is 55564050502154.

It is not a de Polignac number, because 45120505046555 - 2⁸ = 45120505046299 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5376224 + ... + 10915346.

It is an arithmetic number, because the mean of its divisors is an integer number (3389769405594).

Almost surely, 2^{45120505046555} is an apocalyptic number.

45120505046555 is a deficient number, since it is larger than the sum of its proper divisors (9115805442949).

45120505046555 is a wasteful number, since it uses less digits than its factorization.

45120505046555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5541886.

The product of its (nonzero) digits is 3000000, while the sum is 47.

The spelling of 45120505046555 in words is "forty-five trillion, one hundred twenty billion, five hundred five million, forty-six thousand, five hundred fifty-five".