113987524131997 has 2 divisors, whose sum is σ = 113987524131998. Its totient is φ = 113987524131996.

The previous prime is 113987524131989. The next prime is 113987524132063. The reversal of 113987524131997 is 799131425789311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106398276022116 + 7589248109881 = 10314954^2 + 2754859^2 .

It is a cyclic number.

It is not a de Polignac number, because 113987524131997 - 2³ = 113987524131989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113987524131697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56993762065998 + 56993762065999.

It is an arithmetic number, because the mean of its divisors is an integer number (56993762065999).

Almost surely, 2^{113987524131997} is an apocalyptic number.

It is an amenable number.

113987524131997 is a deficient number, since it is larger than the sum of its proper divisors (1).

113987524131997 is an equidigital number, since it uses as much as digits as its factorization.

113987524131997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102876480, while the sum is 70.

The spelling of 113987524131997 in words is "one hundred thirteen trillion, nine hundred eighty-seven billion, five hundred twenty-four million, one hundred thirty-one thousand, nine hundred ninety-seven".