113428556237 has 2 divisors, whose sum is σ = 113428556238. Its totient is φ = 113428556236.

The previous prime is 113428556207. The next prime is 113428556249. The reversal of 113428556237 is 732655824311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103033938121 + 10394618116 = 320989^2 + 101954^2 .

It is a cyclic number.

It is not a de Polignac number, because 113428556237 - 2¹⁸ = 113428294093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113428556191 and 113428556200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113428556207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56714278118 + 56714278119.

It is an arithmetic number, because the mean of its divisors is an integer number (56714278119).

Almost surely, 2^113428556237 is an apocalyptic number.

It is an amenable number.

113428556237 is a deficient number, since it is larger than the sum of its proper divisors (1).

113428556237 is an equidigital number, since it uses as much as digits as its factorization.

113428556237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1209600, while the sum is 47.

The spelling of 113428556237 in words is "one hundred thirteen billion, four hundred twenty-eight million, five hundred fifty-six thousand, two hundred thirty-seven".