61331088253825 has 24 divisors (see below), whose sum is σ = 82695743119808. Its totient is φ = 44850934716480.

The previous prime is 61331088253817. The next prime is 61331088253843. The reversal of 61331088253825 is 52835288013316.

It is not a de Polignac number, because 61331088253825 - 2³ = 61331088253817 is a prime.

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, 916039539 + ... + 916106488.

Almost surely, 2^{61331088253825} is an apocalyptic number.

61331088253825 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

61331088253825 is a deficient number, since it is larger than the sum of its proper divisors (21364654865983).

61331088253825 is a wasteful number, since it uses less digits than its factorization.

61331088253825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832146153 (or 1832146148 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 55.

The spelling of 61331088253825 in words is "sixty-one trillion, three hundred thirty-one billion, eighty-eight million, two hundred fifty-three thousand, eight hundred twenty-five".