551466424664155 has 96 divisors (see below), whose sum is σ = 916067437350912. Its totient is φ = 309947626517760.

The previous prime is 551466424664131. The next prime is 551466424664213.

551466424664155 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 551466424664155 - 2¹³ = 551466424655963 is a prime.

It is a super-2 number, since 2×551466424664155² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 114105259 + ... + 118839988.

It is an arithmetic number, because the mean of its divisors is an integer number (9542369139072).

Almost surely, 2^{551466424664155} is an apocalyptic number.

551466424664155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

551466424664155 is a deficient number, since it is larger than the sum of its proper divisors (364601012686757).

551466424664155 is a wasteful number, since it uses less digits than its factorization.

551466424664155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232945337 (or 232945326 counting only the distinct ones).

The product of its digits is 414720000, while the sum is 64.

The spelling of 551466424664155 in words is "five hundred fifty-one trillion, four hundred sixty-six billion, four hundred twenty-four million, six hundred sixty-four thousand, one hundred fifty-five".