61264503354525 has 72 divisors (see below), whose sum is σ = 107308800815040. Its totient is φ = 30836994382080.

The previous prime is 61264503354503. The next prime is 61264503354533. The reversal of 61264503354525 is 52545330546216.

It is not a de Polignac number, because 61264503354525 - 2⁹ = 61264503354013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2818881 + ... + 11422569.

It is an arithmetic number, because the mean of its divisors is an integer number (1490400011320).

Almost surely, 2^{61264503354525} is an apocalyptic number.

It is an amenable number.

61264503354525 is a deficient number, since it is larger than the sum of its proper divisors (46044297460515).

61264503354525 is a wasteful number, since it uses less digits than its factorization.

61264503354525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8604003 (or 8603979 counting only the distinct ones).

The product of its (nonzero) digits is 12960000, while the sum is 51.

The spelling of 61264503354525 in words is "sixty-one trillion, two hundred sixty-four billion, five hundred three million, three hundred fifty-four thousand, five hundred twenty-five".