256203002116 has 12 divisors (see below), whose sum is σ = 448372717632. Its totient is φ = 128096511368.

The previous prime is 256203002063. The next prime is 256203002213. The reversal of 256203002116 is 611200302652.

It is a super-2 number, since 2×256203002116² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1130680 + ... + 1338223.

It is an arithmetic number, because the mean of its divisors is an integer number (37364393136).

Almost surely, 2^256203002116 is an apocalyptic number.

It is an amenable number.

256203002116 is a deficient number, since it is larger than the sum of its proper divisors (192169715516).

256203002116 is a wasteful number, since it uses less digits than its factorization.

256203002116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2494850 (or 2494848 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 256203002116 its reverse (611200302652), we get a palindrome (867403304768).

The spelling of 256203002116 in words is "two hundred fifty-six billion, two hundred three million, two thousand, one hundred sixteen".