613561121036 has 12 divisors (see below), whose sum is σ = 1073737891128. Its totient is φ = 306778866432.

The previous prime is 613561121027. The next prime is 613561121057. The reversal of 613561121036 is 630121165316.

It is a junction number, because it is equal to n+sod(n) for n = 613561120987 and 613561121005.

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, 756995 + ... + 1341701.

It is an arithmetic number, because the mean of its divisors is an integer number (89478157594).

Almost surely, 2^613561121036 is an apocalyptic number.

It is an amenable number.

613561121036 is a deficient number, since it is larger than the sum of its proper divisors (460176770092).

613561121036 is a wasteful number, since it uses less digits than its factorization.

613561121036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847048 (or 847046 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The spelling of 613561121036 in words is "six hundred thirteen billion, five hundred sixty-one million, one hundred twenty-one thousand, thirty-six".