11850856151 has 4 divisors (see below), whose sum is σ = 11851191600. Its totient is φ = 11850520704.

The previous prime is 11850856093. The next prime is 11850856153. The reversal of 11850856151 is 15165805811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15165805811 = 13 ⋅1166600447.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11850856151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11850856099 and 11850856108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11850856153) 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, 107531 + ... + 187788.

It is an arithmetic number, because the mean of its divisors is an integer number (2962797900).

Almost surely, 2^11850856151 is an apocalyptic number.

11850856151 is a deficient number, since it is larger than the sum of its proper divisors (335449).

11850856151 is an equidigital number, since it uses as much as digits as its factorization.

11850856151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335448.

The product of its (nonzero) digits is 48000, while the sum is 41.

The spelling of 11850856151 in words is "eleven billion, eight hundred fifty million, eight hundred fifty-six thousand, one hundred fifty-one".