113038000081 has 2 divisors, whose sum is σ = 113038000082. Its totient is φ = 113038000080.

The previous prime is 113038000073. The next prime is 113038000123. The reversal of 113038000081 is 180000830311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104355487681 + 8682512400 = 323041^2 + 93180^2 .

It is a cyclic number.

It is not a de Polignac number, because 113038000081 - 2³ = 113038000073 is a prime.

It is a super-4 number, since 4×113038000081⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3, 2.

It is not a weakly prime, because it can be changed into another prime (113038000051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56519000040 + 56519000041.

It is an arithmetic number, because the mean of its divisors is an integer number (56519000041).

Almost surely, 2^113038000081 is an apocalyptic number.

It is an amenable number.

113038000081 is a deficient number, since it is larger than the sum of its proper divisors (1).

113038000081 is an equidigital number, since it uses as much as digits as its factorization.

113038000081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

Adding to 113038000081 its reverse (180000830311), we get a palindrome (293038830392).

The spelling of 113038000081 in words is "one hundred thirteen billion, thirty-eight million, eighty-one", and thus it is an aban number.