61191441454701 has 32 divisors (see below), whose sum is σ = 82758720204160. Its totient is φ = 40209946573824.

The previous prime is 61191441454679. The next prime is 61191441454709. The reversal of 61191441454701 is 10745414419116.

It is not a de Polignac number, because 61191441454701 - 2⁷ = 61191441454573 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 (61191441454709) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2557196505 + ... + 2557220433.

It is an arithmetic number, because the mean of its divisors is an integer number (2586210006380).

Almost surely, 2^{61191441454701} is an apocalyptic number.

It is an amenable number.

61191441454701 is a deficient number, since it is larger than the sum of its proper divisors (21567278749459).

61191441454701 is a wasteful number, since it uses less digits than its factorization.

61191441454701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30925.

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 61191441454701 in words is "sixty-one trillion, one hundred ninety-one billion, four hundred forty-one million, four hundred fifty-four thousand, seven hundred one".