61165110056536 has 16 divisors (see below), whose sum is σ = 116848441382400. Its totient is φ = 30005525687904.

The previous prime is 61165110056527. The next prime is 61165110056551. The reversal of 61165110056536 is 63565001156116.

It is a super-2 number, since 2×61165110056536² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72128667096 + ... + 72128667943.

It is an arithmetic number, because the mean of its divisors is an integer number (7303027586400).

Almost surely, 2^{61165110056536} is an apocalyptic number.

It is an amenable number.

61165110056536 is a deficient number, since it is larger than the sum of its proper divisors (55683331325864).

61165110056536 is a wasteful number, since it uses less digits than its factorization.

61165110056536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144257335098 (or 144257335094 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 46.

The spelling of 61165110056536 in words is "sixty-one trillion, one hundred sixty-five billion, one hundred ten million, fifty-six thousand, five hundred thirty-six".