268115523529 has 32 divisors (see below), whose sum is σ = 315502709760. Its totient is φ = 223082754048.

The previous prime is 268115523527. The next prime is 268115523547. The reversal of 268115523529 is 925325511862.

It is not a de Polignac number, because 268115523529 - 2¹ = 268115523527 is a prime.

It is a super-2 number, since 2×268115523529² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (268115523521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72520609 + ... + 72524305.

It is an arithmetic number, because the mean of its divisors is an integer number (9859459680).

Almost surely, 2^268115523529 is an apocalyptic number.

It is an amenable number.

268115523529 is a deficient number, since it is larger than the sum of its proper divisors (47387186231).

268115523529 is a wasteful number, since it uses less digits than its factorization.

268115523529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5497.

The product of its digits is 1296000, while the sum is 49.

The spelling of 268115523529 in words is "two hundred sixty-eight billion, one hundred fifteen million, five hundred twenty-three thousand, five hundred twenty-nine".