5911256138 has 8 divisors (see below), whose sum is σ = 9017170560. Its totient is φ = 2905532620.

The previous prime is 5911256137. The next prime is 5911256171. The reversal of 5911256138 is 8316521195.

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

It is a junction number, because it is equal to n+sod(n) for n = 5911256095 and 5911256104.

It is not an unprimeable number, because it can be changed into a prime (5911256137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25047578 + ... + 25047813.

It is an arithmetic number, because the mean of its divisors is an integer number (1127146320).

Almost surely, 2^5911256138 is an apocalyptic number.

5911256138 is a deficient number, since it is larger than the sum of its proper divisors (3105914422).

5911256138 is a wasteful number, since it uses less digits than its factorization.

5911256138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50095452.

The product of its digits is 64800, while the sum is 41.

The square root of 5911256138 is about 76884.6937823127. The cubic root of 5911256138 is about 1808.1172631037.

The spelling of 5911256138 in words is "five billion, nine hundred eleven million, two hundred fifty-six thousand, one hundred thirty-eight".