1125013678157 has 2 divisors, whose sum is σ = 1125013678158. Its totient is φ = 1125013678156.

The previous prime is 1125013678133. The next prime is 1125013678177. The reversal of 1125013678157 is 7518763105211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1120149173641 + 4864504516 = 1058371^2 + 69746^2 .

It is a cyclic number.

It is not a de Polignac number, because 1125013678157 - 2⁶ = 1125013678093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1125013678127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562506839078 + 562506839079.

It is an arithmetic number, because the mean of its divisors is an integer number (562506839079).

Almost surely, 2^{1125013678157} is an apocalyptic number.

It is an amenable number.

1125013678157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125013678157 is an equidigital number, since it uses as much as digits as its factorization.

1125013678157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 352800, while the sum is 47.

The spelling of 1125013678157 in words is "one trillion, one hundred twenty-five billion, thirteen million, six hundred seventy-eight thousand, one hundred fifty-seven".