61047443104 has 12 divisors (see below), whose sum is σ = 120187153674. Its totient is φ = 30523721536.

The previous prime is 61047443081. The next prime is 61047443131. The reversal of 61047443104 is 40134474016.

It can be written as a sum of positive squares in only one way, i.e., 59506723600 + 1540719504 = 243940^2 + 39252^2 .

It is a super-2 number, since 2×61047443104² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61047443104.

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 as a sum of consecutive naturals, namely, 953866267 + ... + 953866330.

Almost surely, 2^61047443104 is an apocalyptic number.

It is an amenable number.

61047443104 is a deficient number, since it is larger than the sum of its proper divisors (59139710570).

61047443104 is a wasteful number, since it uses less digits than its factorization.

61047443104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907732607 (or 1907732599 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The spelling of 61047443104 in words is "sixty-one billion, forty-seven million, four hundred forty-three thousand, one hundred four".