451115155 has 16 divisors (see below), whose sum is σ = 560973600. Its totient is φ = 347845120.

The previous prime is 451115143. The next prime is 451115183. The reversal of 451115155 is 551511154.

It is not a de Polignac number, because 451115155 - 2¹¹ = 451113107 is a prime.

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, 93195 + ... + 97915.

It is an arithmetic number, because the mean of its divisors is an integer number (35060850).

Almost surely, 2^451115155 is an apocalyptic number.

451115155 is a deficient number, since it is larger than the sum of its proper divisors (109858445).

451115155 is a wasteful number, since it uses less digits than its factorization.

451115155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5414.

The product of its digits is 2500, while the sum is 28.

The square root of 451115155 is about 21239.4716271380. The cubic root of 451115155 is about 766.9419130373.

The spelling of 451115155 in words is "four hundred fifty-one million, one hundred fifteen thousand, one hundred fifty-five".