551064460155 has 32 divisors (see below), whose sum is σ = 962436833280. Its totient is φ = 267021972480.

The previous prime is 551064460153. The next prime is 551064460159.

551064460155 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 551064460155 - 2¹ = 551064460153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (551064460153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 729750 + ... + 1278539.

It is an arithmetic number, because the mean of its divisors is an integer number (30076151040).

Almost surely, 2^551064460155 is an apocalyptic number.

551064460155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

551064460155 is a deficient number, since it is larger than the sum of its proper divisors (411372373125).

551064460155 is a wasteful number, since it uses less digits than its factorization.

551064460155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009971.

The product of its (nonzero) digits is 360000, while the sum is 42.

The spelling of 551064460155 in words is "five hundred fifty-one billion, sixty-four million, four hundred sixty thousand, one hundred fifty-five".