113003242399981 has 2 divisors, whose sum is σ = 113003242399982. Its totient is φ = 113003242399980.

The previous prime is 113003242399889. The next prime is 113003242400017. The reversal of 113003242399981 is 189993242300311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82330852113225 + 30672390286756 = 9073635^2 + 5538266^2 .

It is a cyclic number.

It is not a de Polignac number, because 113003242399981 - 2¹³ = 113003242391789 is a prime.

It is a super-2 number, since 2×113003242399981² (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 (113003242399081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56501621199990 + 56501621199991.

It is an arithmetic number, because the mean of its divisors is an integer number (56501621199991).

Almost surely, 2^{113003242399981} is an apocalyptic number.

It is an amenable number.

113003242399981 is a deficient number, since it is larger than the sum of its proper divisors (1).

113003242399981 is an equidigital number, since it uses as much as digits as its factorization.

113003242399981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2519424, while the sum is 55.

The spelling of 113003242399981 in words is "one hundred thirteen trillion, three billion, two hundred forty-two million, three hundred ninety-nine thousand, nine hundred eighty-one".