64045131315455 has 16 divisors (see below), whose sum is σ = 81501545641824. Its totient is φ = 48147220807680.

The previous prime is 64045131315419. The next prime is 64045131315479. The reversal of 64045131315455 is 55451313154046.

It is not a de Polignac number, because 64045131315455 - 2¹⁶ = 64045131249919 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 585849026 + ... + 585958335.

It is an arithmetic number, because the mean of its divisors is an integer number (5093846602614).

Almost surely, 2^{64045131315455} is an apocalyptic number.

64045131315455 is a deficient number, since it is larger than the sum of its proper divisors (17456414326369).

64045131315455 is a wasteful number, since it uses less digits than its factorization.

64045131315455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171808026.

The product of its (nonzero) digits is 2160000, while the sum is 47.

The spelling of 64045131315455 in words is "sixty-four trillion, forty-five billion, one hundred thirty-one million, three hundred fifteen thousand, four hundred fifty-five".