61031352504 has 32 divisors (see below), whose sum is σ = 154004353920. Its totient is φ = 20153654496.

The previous prime is 61031352491. The next prime is 61031352521. The reversal of 61031352504 is 40525313016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11880484 + ... + 11885619.

It is an arithmetic number, because the mean of its divisors is an integer number (4812636060).

Almost surely, 2^61031352504 is an apocalyptic number.

It is an amenable number.

61031352504 is an abundant number, since it is smaller than the sum of its proper divisors (92973001416).

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

61031352504 is a wasteful number, since it uses less digits than its factorization.

61031352504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23766219 (or 23766215 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 61031352504 in words is "sixty-one billion, thirty-one million, three hundred fifty-two thousand, five hundred four".