61120515588 has 48 divisors (see below), whose sum is σ = 156865316160. Its totient is φ = 18521363520.

The previous prime is 61120515587. The next prime is 61120515611. The reversal of 61120515588 is 88551502116.

It is a super-3 number, since 3×61120515588³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (61120515587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1897393 + ... + 1929336.

It is an arithmetic number, because the mean of its divisors is an integer number (3268027420).

Almost surely, 2^61120515588 is an apocalyptic number.

It is an amenable number.

61120515588 is an abundant number, since it is smaller than the sum of its proper divisors (95744800572).

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

61120515588 is a wasteful number, since it uses less digits than its factorization.

61120515588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3826769 (or 3826745 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 42.

The spelling of 61120515588 in words is "sixty-one billion, one hundred twenty million, five hundred fifteen thousand, five hundred eighty-eight".