65061515156 has 24 divisors (see below), whose sum is σ = 127096917024. Its totient is φ = 28885661280.

The previous prime is 65061515147. The next prime is 65061515159. The reversal of 65061515156 is 65151516056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65061515159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17191955 + ... + 17195738.

It is an arithmetic number, because the mean of its divisors is an integer number (5295704876).

Almost surely, 2^65061515156 is an apocalyptic number.

It is an amenable number.

65061515156 is a deficient number, since it is larger than the sum of its proper divisors (62035401868).

65061515156 is a wasteful number, since it uses less digits than its factorization.

65061515156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34387751 (or 34387749 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 65061515156 in words is "sixty-five billion, sixty-one million, five hundred fifteen thousand, one hundred fifty-six".