235521125113 has 2 divisors, whose sum is σ = 235521125114. Its totient is φ = 235521125112.

The previous prime is 235521125071. The next prime is 235521125117. The reversal of 235521125113 is 311521125532.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 220211517289 + 15309607824 = 469267^2 + 123732^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-235521125113 is a prime.

It is not a weakly prime, because it can be changed into another prime (235521125117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117760562556 + 117760562557.

It is an arithmetic number, because the mean of its divisors is an integer number (117760562557).

Almost surely, 2^235521125113 is an apocalyptic number.

It is an amenable number.

235521125113 is a deficient number, since it is larger than the sum of its proper divisors (1).

235521125113 is an equidigital number, since it uses as much as digits as its factorization.

235521125113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9000, while the sum is 31.

The spelling of 235521125113 in words is "two hundred thirty-five billion, five hundred twenty-one million, one hundred twenty-five thousand, one hundred thirteen".