61086413256 has 32 divisors (see below), whose sum is σ = 166599309600. Its totient is φ = 18511034240.

The previous prime is 61086413243. The next prime is 61086413281. The reversal of 61086413256 is 65231468016.

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, 115693701 + ... + 115694228.

It is an arithmetic number, because the mean of its divisors is an integer number (5206228425).

Almost surely, 2^61086413256 is an apocalyptic number.

61086413256 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

61086413256 is an abundant number, since it is smaller than the sum of its proper divisors (105512896344).

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

61086413256 is a wasteful number, since it uses less digits than its factorization.

61086413256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231387949 (or 231387945 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 61086413256 in words is "sixty-one billion, eighty-six million, four hundred thirteen thousand, two hundred fifty-six".