61245056141 has 16 divisors (see below), whose sum is σ = 64040803200. Its totient is φ = 58528761408.

The previous prime is 61245056129. The next prime is 61245056177. The reversal of 61245056141 is 14165054216.

61245056141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 61245056141 - 2³⁰ = 60171314317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61245053141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251000 + ... + 430686.

It is an arithmetic number, because the mean of its divisors is an integer number (4002550200).

Almost surely, 2^61245056141 is an apocalyptic number.

It is an amenable number.

61245056141 is a deficient number, since it is larger than the sum of its proper divisors (2795747059).

61245056141 is a wasteful number, since it uses less digits than its factorization.

61245056141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179908.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 61245056141 in words is "sixty-one billion, two hundred forty-five million, fifty-six thousand, one hundred forty-one".