64152202551 has 4 divisors (see below), whose sum is σ = 85536270072. Its totient is φ = 42768135032.

The previous prime is 64152202529. The next prime is 64152202571. The reversal of 64152202551 is 15520225146.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64152202551 - 2³⁴ = 46972333367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64152202501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10692033756 + ... + 10692033761.

It is an arithmetic number, because the mean of its divisors is an integer number (21384067518).

Almost surely, 2^64152202551 is an apocalyptic number.

64152202551 is a deficient number, since it is larger than the sum of its proper divisors (21384067521).

64152202551 is a wasteful number, since it uses less digits than its factorization.

64152202551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21384067520.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 64152202551 its reverse (15520225146), we get a palindrome (79672427697).

The spelling of 64152202551 in words is "sixty-four billion, one hundred fifty-two million, two hundred two thousand, five hundred fifty-one".