65151015156 has 72 divisors (see below), whose sum is σ = 166564970208. Its totient is φ = 21470040000.

The previous prime is 65151015091. The next prime is 65151015179.

It is a happy number.

65151015156 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 65151015156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2499511 + ... + 2525441.

It is an arithmetic number, because the mean of its divisors is an integer number (2313402364).

Almost surely, 2^65151015156 is an apocalyptic number.

It is an amenable number.

65151015156 is an abundant number, since it is smaller than the sum of its proper divisors (101413955052).

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

65151015156 is a wasteful number, since it uses less digits than its factorization.

65151015156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26733 (or 26728 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 36.

It can be divided in two parts, 651510 and 15156, that added together give a palindrome (666666).

The spelling of 65151015156 in words is "sixty-five billion, one hundred fifty-one million, fifteen thousand, one hundred fifty-six".