268952112557 has 2 divisors, whose sum is σ = 268952112558. Its totient is φ = 268952112556.

The previous prime is 268952112529. The next prime is 268952112613. The reversal of 268952112557 is 755211259862.

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., 196400535241 + 72551577316 = 443171^2 + 269354^2 .

It is a cyclic number.

It is not a de Polignac number, because 268952112557 - 2¹⁸ = 268951850413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 268952112499 and 268952112508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268952112257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134476056278 + 134476056279.

It is an arithmetic number, because the mean of its divisors is an integer number (134476056279).

Almost surely, 2^268952112557 is an apocalyptic number.

It is an amenable number.

268952112557 is a deficient number, since it is larger than the sum of its proper divisors (1).

268952112557 is an equidigital number, since it uses as much as digits as its factorization.

268952112557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024000, while the sum is 53.

The spelling of 268952112557 in words is "two hundred sixty-eight billion, nine hundred fifty-two million, one hundred twelve thousand, five hundred fifty-seven".