1138256886995 has 8 divisors (see below), whose sum is σ = 1366114665840. Its totient is φ = 910467908640.

The previous prime is 1138256886983. The next prime is 1138256886997. The reversal of 1138256886995 is 5996886528311.

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

It is not a de Polignac number, because 1138256886995 - 2¹² = 1138256882899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1138256886997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17163716 + ... + 17229905.

It is an arithmetic number, because the mean of its divisors is an integer number (170764333230).

Almost surely, 2^{1138256886995} is an apocalyptic number.

1138256886995 is a deficient number, since it is larger than the sum of its proper divisors (227857778845).

1138256886995 is an equidigital number, since it uses as much as digits as its factorization.

1138256886995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34400245.

The product of its digits is 223948800, while the sum is 71.

The spelling of 1138256886995 in words is "one trillion, one hundred thirty-eight billion, two hundred fifty-six million, eight hundred eighty-six thousand, nine hundred ninety-five".