61541063892331 has 2 divisors, whose sum is σ = 61541063892332. Its totient is φ = 61541063892330.

The previous prime is 61541063892247. The next prime is 61541063892377. The reversal of 61541063892331 is 13329836014516.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61541063892331 - 2⁹ = 61541063891819 is a prime.

It is a super-2 number, since 2×61541063892331² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (61541063892631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30770531946165 + 30770531946166.

It is an arithmetic number, because the mean of its divisors is an integer number (30770531946166).

Almost surely, 2^{61541063892331} is an apocalyptic number.

61541063892331 is a deficient number, since it is larger than the sum of its proper divisors (1).

61541063892331 is an equidigital number, since it uses as much as digits as its factorization.

61541063892331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 61541063892331 in words is "sixty-one trillion, five hundred forty-one billion, sixty-three million, eight hundred ninety-two thousand, three hundred thirty-one".