61253953104 has 80 divisors (see below), whose sum is σ = 169842915072. Its totient is φ = 18953662464.

The previous prime is 61253953093. The next prime is 61253953109. The reversal of 61253953104 is 40135935216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61253953109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 454584 + ... + 573719.

Almost surely, 2^61253953104 is an apocalyptic number.

It is an amenable number.

61253953104 is an abundant number, since it is smaller than the sum of its proper divisors (108588961968).

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

61253953104 is a wasteful number, since it uses less digits than its factorization.

61253953104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028404 (or 1028398 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 39.

The spelling of 61253953104 in words is "sixty-one billion, two hundred fifty-three million, nine hundred fifty-three thousand, one hundred four".