615112023012 has 48 divisors (see below), whose sum is σ = 1452771919872. Its totient is φ = 202549697280.

The previous prime is 615112022989. The next prime is 615112023061. The reversal of 615112023012 is 210320211516.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 511039 + ... + 1221222.

It is an arithmetic number, because the mean of its divisors is an integer number (30266081664).

Almost surely, 2^615112023012 is an apocalyptic number.

It is an amenable number.

615112023012 is an abundant number, since it is smaller than the sum of its proper divisors (837659896860).

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

615112023012 is a wasteful number, since it uses less digits than its factorization.

615112023012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732628 (or 1732626 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 615112023012 its reverse (210320211516), we get a palindrome (825432234528).

The spelling of 615112023012 in words is "six hundred fifteen billion, one hundred twelve million, twenty-three thousand, twelve".