65242533015 has 48 divisors (see below), whose sum is σ = 123389899776. Its totient is φ = 31627051200.

The previous prime is 65242533007. The next prime is 65242533023. The reversal of 65242533015 is 51033524256.

65242533015 is a `hidden beast` number, since 65 + 242 + 53 + 301 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (65242533007) and next prime (65242533023).

It is not a de Polignac number, because 65242533015 - 2³ = 65242533007 is a prime.

It is a super-2 number, since 2×65242533015² (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 47 ways as a sum of consecutive naturals, for example, 4391650 + ... + 4406480.

It is an arithmetic number, because the mean of its divisors is an integer number (2570622912).

Almost surely, 2^65242533015 is an apocalyptic number.

65242533015 is a deficient number, since it is larger than the sum of its proper divisors (58147366761).

65242533015 is a wasteful number, since it uses less digits than its factorization.

65242533015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23740 (or 23737 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 65242533015 in words is "sixty-five billion, two hundred forty-two million, five hundred thirty-three thousand, fifteen".