61515752396 has 24 divisors (see below), whose sum is σ = 123141123840. Its totient is φ = 26340404112.

The previous prime is 61515752393. The next prime is 61515752423. The reversal of 61515752396 is 69325751516.

It is not an unprimeable number, because it can be changed into a prime (61515752393) 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, 946736 + ... + 1009623.

It is an arithmetic number, because the mean of its divisors is an integer number (5130880160).

Almost surely, 2^61515752396 is an apocalyptic number.

It is an amenable number.

61515752396 is an abundant number, since it is smaller than the sum of its proper divisors (61625371444).

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

61515752396 is a wasteful number, since it uses less digits than its factorization.

61515752396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957493 (or 1957491 counting only the distinct ones).

The product of its digits is 1701000, while the sum is 50.

The spelling of 61515752396 in words is "sixty-one billion, five hundred fifteen million, seven hundred fifty-two thousand, three hundred ninety-six".