61215101074 has 8 divisors (see below), whose sum is σ = 93378967920. Its totient is φ = 30088778436.

The previous prime is 61215101069. The next prime is 61215101089. The reversal of 61215101074 is 47010151216.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259385904 + ... + 259386139.

It is an arithmetic number, because the mean of its divisors is an integer number (11672370990).

Almost surely, 2^61215101074 is an apocalyptic number.

61215101074 is a deficient number, since it is larger than the sum of its proper divisors (32163866846).

61215101074 is a wasteful number, since it uses less digits than its factorization.

61215101074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518772104.

The product of its (nonzero) digits is 1680, while the sum is 28.

The spelling of 61215101074 in words is "sixty-one billion, two hundred fifteen million, one hundred one thousand, seventy-four".