13810027077981 has 96 divisors (see below), whose sum is σ = 21145402736640. Its totient is φ = 8673314803200.

The previous prime is 13810027077937. The next prime is 13810027077991. The reversal of 13810027077981 is 18977072001831.

It is not a de Polignac number, because 13810027077981 - 2⁷ = 13810027077853 is a prime.

It is a super-2 number, since 2×13810027077981² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13810027077991) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 701113525 + ... + 701133221.

It is an arithmetic number, because the mean of its divisors is an integer number (220264611840).

Almost surely, 2^{13810027077981} is an apocalyptic number.

It is an amenable number.

13810027077981 is a deficient number, since it is larger than the sum of its proper divisors (7335375658659).

13810027077981 is a wasteful number, since it uses less digits than its factorization.

13810027077981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20207 (or 20204 counting only the distinct ones).

The product of its (nonzero) digits is 1185408, while the sum is 54.

The spelling of 13810027077981 in words is "thirteen trillion, eight hundred ten billion, twenty-seven million, seventy-seven thousand, nine hundred eighty-one".