61047443105 has 32 divisors (see below), whose sum is σ = 87535520640. Its totient is φ = 40345553920.

The previous prime is 61047443081. The next prime is 61047443131. The reversal of 61047443105 is 50134474016.

61047443105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61047443105 - 2⁸ = 61047442849 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1098599 + ... + 1152828.

It is an arithmetic number, because the mean of its divisors is an integer number (2735485020).

Almost surely, 2^61047443105 is an apocalyptic number.

It is an amenable number.

61047443105 is a deficient number, since it is larger than the sum of its proper divisors (26488077535).

61047443105 is a wasteful number, since it uses less digits than its factorization.

61047443105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2251489.

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 61047443105 in words is "sixty-one billion, forty-seven million, four hundred forty-three thousand, one hundred five".