64151235500 has 72 divisors (see below), whose sum is σ = 154001283072. Its totient is φ = 23327700000.

The previous prime is 64151235497. The next prime is 64151235517. The reversal of 64151235500 is 553215146.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 469676 + ... + 590675.

Almost surely, 2^64151235500 is an apocalyptic number.

It is an amenable number.

64151235500 is an abundant number, since it is smaller than the sum of its proper divisors (89850047572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64151235500 is a wasteful number, since it uses less digits than its factorization.

64151235500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060392 (or 1060369 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 64151235500 in words is "sixty-four billion, one hundred fifty-one million, two hundred thirty-five thousand, five hundred".