451557755155 has 16 divisors (see below), whose sum is σ = 585177082560. Its totient is φ = 332529164928.

The previous prime is 451557755111. The next prime is 451557755183. The reversal of 451557755155 is 551557755154.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 451557755155 - 2¹³ = 451557746963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 451557755096 and 451557755105.

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, 9652212 + ... + 9698881.

It is an arithmetic number, because the mean of its divisors is an integer number (36573567660).

Almost surely, 2^451557755155 is an apocalyptic number.

451557755155 is a deficient number, since it is larger than the sum of its proper divisors (133619327405).

451557755155 is a wasteful number, since it uses less digits than its factorization.

451557755155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19351470.

The product of its digits is 15312500, while the sum is 55.

Subtracting 451557755155 from its reverse (551557755154), we obtain a palindrome (99999999999).

The spelling of 451557755155 in words is "four hundred fifty-one billion, five hundred fifty-seven million, seven hundred fifty-five thousand, one hundred fifty-five".