64115503150 has 12 divisors (see below), whose sum is σ = 119254835952. Its totient is φ = 25646201240.

The previous prime is 64115503117. The next prime is 64115503181. The reversal of 64115503150 is 5130551146.

It is a happy number.

It is a super-2 number, since 2×64115503150² (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 5 ways as a sum of consecutive naturals, for example, 641154982 + ... + 641155081.

It is an arithmetic number, because the mean of its divisors is an integer number (9937902996).

Almost surely, 2^64115503150 is an apocalyptic number.

64115503150 is a deficient number, since it is larger than the sum of its proper divisors (55139332802).

64115503150 is a wasteful number, since it uses less digits than its factorization.

64115503150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282310075 (or 1282310070 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

The spelling of 64115503150 in words is "sixty-four billion, one hundred fifteen million, five hundred three thousand, one hundred fifty".