64506036255 has 16 divisors (see below), whose sum is σ = 103486368480. Its totient is φ = 34310982528.

The previous prime is 64506036247. The next prime is 64506036263. The reversal of 64506036255 is 55263060546.

It is an interprime number because it is at equal distance from previous prime (64506036247) and next prime (64506036263).

It is not a de Polignac number, because 64506036255 - 2³ = 64506036247 is a prime.

It is a super-2 number, since 2×64506036255² (a number of 22 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 15 ways as a sum of consecutive naturals, for example, 5759020 + ... + 5770209.

It is an arithmetic number, because the mean of its divisors is an integer number (6467898030).

Almost surely, 2^64506036255 is an apocalyptic number.

64506036255 is a deficient number, since it is larger than the sum of its proper divisors (38980332225).

64506036255 is a wasteful number, since it uses less digits than its factorization.

64506036255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11529610.

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 64506036255 in words is "sixty-four billion, five hundred six million, thirty-six thousand, two hundred fifty-five".