11851486123 has 2 divisors, whose sum is σ = 11851486124. Its totient is φ = 11851486122.

The previous prime is 11851486079. The next prime is 11851486159. The reversal of 11851486123 is 32168415811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11851486123 - 2¹³ = 11851477931 is a prime.

It is a super-2 number, since 2×11851486123² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11851486183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5925743061 + 5925743062.

It is an arithmetic number, because the mean of its divisors is an integer number (5925743062).

Almost surely, 2^11851486123 is an apocalyptic number.

11851486123 is a deficient number, since it is larger than the sum of its proper divisors (1).

11851486123 is an equidigital number, since it uses as much as digits as its factorization.

11851486123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 40.

The spelling of 11851486123 in words is "eleven billion, eight hundred fifty-one million, four hundred eighty-six thousand, one hundred twenty-three".