11857578647258 has 8 divisors (see below), whose sum is σ = 17786408253600. Its totient is φ = 5928775896060.

The previous prime is 11857578647249. The next prime is 11857578647311. The reversal of 11857578647258 is 85274687575811.

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

It is a super-2 number, since 2×11857578647258² (a number of 27 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, 5571038 + ... + 7399433.

It is an arithmetic number, because the mean of its divisors is an integer number (2223301031700).

Almost surely, 2^{11857578647258} is an apocalyptic number.

11857578647258 is a deficient number, since it is larger than the sum of its proper divisors (5928829606342).

11857578647258 is a wasteful number, since it uses less digits than its factorization.

11857578647258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13427572.

The product of its digits is 1053696000, while the sum is 74.

The spelling of 11857578647258 in words is "eleven trillion, eight hundred fifty-seven billion, five hundred seventy-eight million, six hundred forty-seven thousand, two hundred fifty-eight".