256526705500142 has 48 divisors (see below), whose sum is σ = 488336957827200. Its totient is φ = 99938930439600.

The previous prime is 256526705500139. The next prime is 256526705500187. The reversal of 256526705500142 is 241005507625652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8715167 + ... + 24269477.

It is an arithmetic number, because the mean of its divisors is an integer number (10173686621400).

Almost surely, 2^{256526705500142} is an apocalyptic number.

256526705500142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

256526705500142 is a deficient number, since it is larger than the sum of its proper divisors (231810252327058).

256526705500142 is a wasteful number, since it uses less digits than its factorization.

256526705500142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15569637 (or 15569630 counting only the distinct ones).

The product of its (nonzero) digits is 5040000, while the sum is 50.

The spelling of 256526705500142 in words is "two hundred fifty-six trillion, five hundred twenty-six billion, seven hundred five million, five hundred thousand, one hundred forty-two".