11857074505 has 8 divisors (see below), whose sum is σ = 14244535872. Its totient is φ = 9474961968.

The previous prime is 11857074461. The next prime is 11857074521. The reversal of 11857074505 is 50547075811.

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

It is a cyclic number.

It is not a de Polignac number, because 11857074505 - 2⁷ = 11857074377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1332327 + ... + 1341196.

It is an arithmetic number, because the mean of its divisors is an integer number (1780566984).

Almost surely, 2^11857074505 is an apocalyptic number.

It is an amenable number.

11857074505 is a deficient number, since it is larger than the sum of its proper divisors (2387461367).

11857074505 is an equidigital number, since it uses as much as digits as its factorization.

11857074505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2674415.

The product of its (nonzero) digits is 196000, while the sum is 43.

The spelling of 11857074505 in words is "eleven billion, eight hundred fifty-seven million, seventy-four thousand, five hundred five".