451153442441655 has 48 divisors (see below), whose sum is σ = 823166329864320. Its totient is φ = 227948673161664.

The previous prime is 451153442441641. The next prime is 451153442441683. The reversal of 451153442441655 is 556144244351154.

451153442441655 is a `hidden beast` number, since 4 + 5 + 1 + 1 + 5 + 344 + 244 + 1 + 6 + 55 = 666.

It is not a de Polignac number, because 451153442441655 - 2⁶ = 451153442441591 is a prime.

It is a super-2 number, since 2×451153442441655² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 75050292 + ... + 80838438.

It is an arithmetic number, because the mean of its divisors is an integer number (17149298538840).

Almost surely, 2^{451153442441655} is an apocalyptic number.

451153442441655 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

451153442441655 is a deficient number, since it is larger than the sum of its proper divisors (372012887422665).

451153442441655 is a wasteful number, since it uses less digits than its factorization.

451153442441655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5879340 (or 5879337 counting only the distinct ones).

The product of its digits is 23040000, while the sum is 54.

The spelling of 451153442441655 in words is "four hundred fifty-one trillion, one hundred fifty-three billion, four hundred forty-two million, four hundred forty-one thousand, six hundred fifty-five".