61761538703051 has 8 divisors (see below), whose sum is σ = 70305625085184. Its totient is φ = 53705685828520.

The previous prime is 61761538703041. The next prime is 61761538703177. The reversal of 61761538703051 is 15030783516716.

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

It is not a de Polignac number, because 61761538703051 - 2¹⁰ = 61761538702027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61761538702984 and 61761538703002.

It is not an unprimeable number, because it can be changed into a prime (61761538703041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122058376631 + ... + 122058377136.

It is an arithmetic number, because the mean of its divisors is an integer number (8788203135648).

Almost surely, 2^{61761538703051} is an apocalyptic number.

61761538703051 is a deficient number, since it is larger than the sum of its proper divisors (8544086382133).

61761538703051 is a wasteful number, since it uses less digits than its factorization.

61761538703051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244116753801.

The product of its (nonzero) digits is 3175200, while the sum is 53.

The spelling of 61761538703051 in words is "sixty-one trillion, seven hundred sixty-one billion, five hundred thirty-eight million, seven hundred three thousand, fifty-one".