61503013248 has 64 divisors (see below), whose sum is σ = 164559982320. Its totient is φ = 20351344640.

The previous prime is 61503013217. The next prime is 61503013261. The reversal of 61503013248 is 84231030516.

It is a tau number, because it is divible by the number of its divisors (64).

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, 531933 + ... + 637148.

Almost surely, 2^61503013248 is an apocalyptic number.

It is an amenable number.

61503013248 is an abundant number, since it is smaller than the sum of its proper divisors (103056969072).

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

61503013248 is a wasteful number, since it uses less digits than its factorization.

61503013248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169235 (or 1169223 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 61503013248 in words is "sixty-one billion, five hundred three million, thirteen thousand, two hundred forty-eight".