61335561086025 has 12 divisors (see below), whose sum is σ = 101408127662352. Its totient is φ = 32712299245840.

The previous prime is 61335561086011. The next prime is 61335561086087. The reversal of 61335561086025 is 52068016553316.

It is not a de Polignac number, because 61335561086025 - 2⁸ = 61335561085769 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 408903740499 + ... + 408903740648.

It is an arithmetic number, because the mean of its divisors is an integer number (8450677305196).

Almost surely, 2^{61335561086025} is an apocalyptic number.

It is an amenable number.

61335561086025 is a deficient number, since it is larger than the sum of its proper divisors (40072566576327).

61335561086025 is a wasteful number, since it uses less digits than its factorization.

61335561086025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817807481160 (or 817807481155 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 51.

The spelling of 61335561086025 in words is "sixty-one trillion, three hundred thirty-five billion, five hundred sixty-one million, eighty-six thousand, twenty-five".