61054545974 has 8 divisors (see below), whose sum is σ = 91974874680. Its totient is φ = 30396254416.

The previous prime is 61054545859. The next prime is 61054545989. The reversal of 61054545974 is 47954545016.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65508704 + ... + 65509635.

It is an arithmetic number, because the mean of its divisors is an integer number (11496859335).

Almost surely, 2^61054545974 is an apocalyptic number.

61054545974 is a deficient number, since it is larger than the sum of its proper divisors (30920328706).

61054545974 is a wasteful number, since it uses less digits than its factorization.

61054545974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131018574.

The product of its (nonzero) digits is 3024000, while the sum is 50.

The spelling of 61054545974 in words is "sixty-one billion, fifty-four million, five hundred forty-five thousand, nine hundred seventy-four".