61098239004 has 72 divisors (see below), whose sum is σ = 160035235584. Its totient is φ = 18120669600.

The previous prime is 61098238987. The next prime is 61098239011. The reversal of 61098239004 is 40093289016.

61098239004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 379402 + ... + 515889.

Almost surely, 2^61098239004 is an apocalyptic number.

It is an amenable number.

61098239004 is an abundant number, since it is smaller than the sum of its proper divisors (98936996580).

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

61098239004 is a wasteful number, since it uses less digits than its factorization.

61098239004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895367 (or 895354 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 61098239004 in words is "sixty-one billion, ninety-eight million, two hundred thirty-nine thousand, four".