113121130003157 has 2 divisors, whose sum is σ = 113121130003158. Its totient is φ = 113121130003156.

The previous prime is 113121130003121. The next prime is 113121130003187. The reversal of 113121130003157 is 751300031121311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109406872131076 + 3714257872081 = 10459774^2 + 1927241^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113121130003157 is a prime.

It is a super-2 number, since 2×113121130003157² (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 (113121130003187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56560565001578 + 56560565001579.

It is an arithmetic number, because the mean of its divisors is an integer number (56560565001579).

Almost surely, 2^{113121130003157} is an apocalyptic number.

It is an amenable number.

113121130003157 is a deficient number, since it is larger than the sum of its proper divisors (1).

113121130003157 is an equidigital number, since it uses as much as digits as its factorization.

113121130003157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 29.

Adding to 113121130003157 its reverse (751300031121311), we get a palindrome (864421161124468).

The spelling of 113121130003157 in words is "one hundred thirteen trillion, one hundred twenty-one billion, one hundred thirty million, three thousand, one hundred fifty-seven".