109671365121631 has 2 divisors, whose sum is σ = 109671365121632. Its totient is φ = 109671365121630.

The previous prime is 109671365121623. The next prime is 109671365121691. The reversal of 109671365121631 is 136121563176901.

It is a weak prime.

It is an emirp because it is prime and its reverse (136121563176901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109671365121631 - 2³ = 109671365121623 is a prime.

It is a super-2 number, since 2×109671365121631² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109671365121601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54835682560815 + 54835682560816.

It is an arithmetic number, because the mean of its divisors is an integer number (54835682560816).

Almost surely, 2^{109671365121631} is an apocalyptic number.

109671365121631 is a deficient number, since it is larger than the sum of its proper divisors (1).

109671365121631 is an equidigital number, since it uses as much as digits as its factorization.

109671365121631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1224720, while the sum is 52.

The spelling of 109671365121631 in words is "one hundred nine trillion, six hundred seventy-one billion, three hundred sixty-five million, one hundred twenty-one thousand, six hundred thirty-one".