61102589011231 has 2 divisors, whose sum is σ = 61102589011232. Its totient is φ = 61102589011230.

The previous prime is 61102589011207. The next prime is 61102589011301. The reversal of 61102589011231 is 13211098520116.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61102589011231 - 2³¹ = 61100441527583 is a prime.

It is a super-2 number, since 2×61102589011231² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61102589011201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30551294505615 + 30551294505616.

It is an arithmetic number, because the mean of its divisors is an integer number (30551294505616).

Almost surely, 2^{61102589011231} is an apocalyptic number.

61102589011231 is a deficient number, since it is larger than the sum of its proper divisors (1).

61102589011231 is an equidigital number, since it uses as much as digits as its factorization.

61102589011231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 40.

The spelling of 61102589011231 in words is "sixty-one trillion, one hundred two billion, five hundred eighty-nine million, eleven thousand, two hundred thirty-one".