61117228396 has 12 divisors (see below), whose sum is σ = 122234456848. Its totient is φ = 26193097872.

The previous prime is 61117228391. The next prime is 61117228429. The reversal of 61117228396 is 69382271116.

61117228396 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (61117228391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1091379051 + ... + 1091379106.

Almost surely, 2^61117228396 is an apocalyptic number.

It is an amenable number.

61117228396 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

61117228396 is a wasteful number, since it uses less digits than its factorization.

61117228396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2182758168 (or 2182758166 counting only the distinct ones).

The product of its digits is 217728, while the sum is 46.

The spelling of 61117228396 in words is "sixty-one billion, one hundred seventeen million, two hundred twenty-eight thousand, three hundred ninety-six".