61935187138411 has 2 divisors, whose sum is σ = 61935187138412. Its totient is φ = 61935187138410.

The previous prime is 61935187138393. The next prime is 61935187138441. The reversal of 61935187138411 is 11483178153916.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61935187138411 - 2⁹ = 61935187137899 is a prime.

It is not a weakly prime, because it can be changed into another prime (61935187138441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30967593569205 + 30967593569206.

It is an arithmetic number, because the mean of its divisors is an integer number (30967593569206).

Almost surely, 2^{61935187138411} is an apocalyptic number.

61935187138411 is a deficient number, since it is larger than the sum of its proper divisors (1).

61935187138411 is an equidigital number, since it uses as much as digits as its factorization.

61935187138411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 58.

The spelling of 61935187138411 in words is "sixty-one trillion, nine hundred thirty-five billion, one hundred eighty-seven million, one hundred thirty-eight thousand, four hundred eleven".