61117390834 has 8 divisors (see below), whose sum is σ = 92238516720. Its totient is φ = 30371218596.

The previous prime is 61117390811. The next prime is 61117390871. The reversal of 61117390834 is 43809371116.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 93738004 + ... + 93738655.

It is an arithmetic number, because the mean of its divisors is an integer number (11529814590).

Almost surely, 2^61117390834 is an apocalyptic number.

61117390834 is a deficient number, since it is larger than the sum of its proper divisors (31121125886).

61117390834 is a wasteful number, since it uses less digits than its factorization.

61117390834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187476824.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 61117390834 in words is "sixty-one billion, one hundred seventeen million, three hundred ninety thousand, eight hundred thirty-four".