455154011521 has 12 divisors (see below), whose sum is σ = 500954242516. Its totient is φ = 413229690720.

The previous prime is 455154011519. The next prime is 455154011581. The reversal of 455154011521 is 125110451554.

It can be written as a sum of positive squares in 2 ways, for example, as 318744930625 + 136409080896 = 564575^2 + 369336^2 .

It is not a de Polignac number, because 455154011521 - 2¹ = 455154011519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (455154011581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2392950 + ... + 2576143.

Almost surely, 2^455154011521 is an apocalyptic number.

It is an amenable number.

455154011521 is a deficient number, since it is larger than the sum of its proper divisors (45800230995).

455154011521 is a wasteful number, since it uses less digits than its factorization.

455154011521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4969872 (or 4969861 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 34.

The spelling of 455154011521 in words is "four hundred fifty-five billion, one hundred fifty-four million, eleven thousand, five hundred twenty-one".