1013265874157 has 2 divisors, whose sum is σ = 1013265874158. Its totient is φ = 1013265874156.

The previous prime is 1013265874129. The next prime is 1013265874199. The reversal of 1013265874157 is 7514785623101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 962270750116 + 50995124041 = 980954^2 + 225821^2 .

It is a cyclic number.

It is not a de Polignac number, because 1013265874157 - 2³² = 1008970906861 is a prime.

It is a super-2 number, since 2×1013265874157² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013265874657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506632937078 + 506632937079.

It is an arithmetic number, because the mean of its divisors is an integer number (506632937079).

Almost surely, 2^{1013265874157} is an apocalyptic number.

It is an amenable number.

1013265874157 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013265874157 is an equidigital number, since it uses as much as digits as its factorization.

1013265874157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1411200, while the sum is 50.

The spelling of 1013265874157 in words is "one trillion, thirteen billion, two hundred sixty-five million, eight hundred seventy-four thousand, one hundred fifty-seven".