61151072194 has 16 divisors (see below), whose sum is σ = 94193843040. Its totient is φ = 29758186080.

The previous prime is 61151072159. The next prime is 61151072201. The reversal of 61151072194 is 49127015116.

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, 1241064 + ... + 1289395.

It is an arithmetic number, because the mean of its divisors is an integer number (5887115190).

Almost surely, 2^61151072194 is an apocalyptic number.

61151072194 is a deficient number, since it is larger than the sum of its proper divisors (33042770846).

61151072194 is a wasteful number, since it uses less digits than its factorization.

61151072194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2530785.

The product of its (nonzero) digits is 15120, while the sum is 37.

The spelling of 61151072194 in words is "sixty-one billion, one hundred fifty-one million, seventy-two thousand, one hundred ninety-four".