64551126315 has 64 divisors (see below), whose sum is σ = 114165459072. Its totient is φ = 30942412800.

The previous prime is 64551126301. The next prime is 64551126331. The reversal of 64551126315 is 51362115546.

It is not a de Polignac number, because 64551126315 - 2⁶ = 64551126251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4157647 + ... + 4173143.

It is an arithmetic number, because the mean of its divisors is an integer number (1783835298).

Almost surely, 2^64551126315 is an apocalyptic number.

64551126315 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

64551126315 is a deficient number, since it is larger than the sum of its proper divisors (49614332757).

64551126315 is a wasteful number, since it uses less digits than its factorization.

64551126315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16080.

The product of its digits is 108000, while the sum is 39.

The spelling of 64551126315 in words is "sixty-four billion, five hundred fifty-one million, one hundred twenty-six thousand, three hundred fifteen".