255587103938 has 4 divisors (see below), whose sum is σ = 383380655910. Its totient is φ = 127793551968.

The previous prime is 255587103929. The next prime is 255587103949. The reversal of 255587103938 is 839301785552.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 196490952529 + 59096151409 = 443273^2 + 243097^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63896775983 + ... + 63896775986.

Almost surely, 2^255587103938 is an apocalyptic number.

255587103938 is a deficient number, since it is larger than the sum of its proper divisors (127793551972).

255587103938 is a wasteful number, since it uses less digits than its factorization.

255587103938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127793551971.

The product of its (nonzero) digits is 9072000, while the sum is 56.

The spelling of 255587103938 in words is "two hundred fifty-five billion, five hundred eighty-seven million, one hundred three thousand, nine hundred thirty-eight".