256201562111 has 8 divisors (see below), whose sum is σ = 279512130000. Its totient is φ = 232894247040.

The previous prime is 256201562087. The next prime is 256201562129. The reversal of 256201562111 is 111265102652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 256201562111 - 2³⁴ = 239021692927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256201562131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 647036 + ... + 964913.

It is an arithmetic number, because the mean of its divisors is an integer number (34939016250).

Almost surely, 2^256201562111 is an apocalyptic number.

256201562111 is a deficient number, since it is larger than the sum of its proper divisors (23310567889).

256201562111 is a wasteful number, since it uses less digits than its factorization.

256201562111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1626409.

The product of its (nonzero) digits is 7200, while the sum is 32.

Adding to 256201562111 its reverse (111265102652), we get a palindrome (367466664763).

The spelling of 256201562111 in words is "two hundred fifty-six billion, two hundred one million, five hundred sixty-two thousand, one hundred eleven".