61026939588 has 12 divisors (see below), whose sum is σ = 142396192400. Its totient is φ = 20342313192.

The previous prime is 61026939587. The next prime is 61026939593. The reversal of 61026939588 is 88593962016.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (61026939587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2542789138 + ... + 2542789161.

Almost surely, 2^61026939588 is an apocalyptic number.

It is an amenable number.

61026939588 is an abundant number, since it is smaller than the sum of its proper divisors (81369252812).

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

61026939588 is a wasteful number, since it uses less digits than its factorization.

61026939588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5085578306 (or 5085578304 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 57.

The spelling of 61026939588 in words is "sixty-one billion, twenty-six million, nine hundred thirty-nine thousand, five hundred eighty-eight".