108961088491 has 2 divisors, whose sum is σ = 108961088492. Its totient is φ = 108961088490.

The previous prime is 108961088479. The next prime is 108961088503. The reversal of 108961088491 is 194880169801.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (108961088479) and next prime (108961088503).

It is a cyclic number.

It is not a de Polignac number, because 108961088491 - 2²³ = 108952699883 is a prime.

It is not a weakly prime, because it can be changed into another prime (108961088461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54480544245 + 54480544246.

It is an arithmetic number, because the mean of its divisors is an integer number (54480544246).

Almost surely, 2^108961088491 is an apocalyptic number.

108961088491 is a deficient number, since it is larger than the sum of its proper divisors (1).

108961088491 is an equidigital number, since it uses as much as digits as its factorization.

108961088491 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 995328, while the sum is 55.

The spelling of 108961088491 in words is "one hundred eight billion, nine hundred sixty-one million, eighty-eight thousand, four hundred ninety-one".