11874491357 has 2 divisors, whose sum is σ = 11874491358. Its totient is φ = 11874491356.

The previous prime is 11874491341. The next prime is 11874491399. The reversal of 11874491357 is 75319447811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11367611161 + 506880196 = 106619^2 + 22514^2 .

It is a cyclic number.

It is not a de Polignac number, because 11874491357 - 2⁴ = 11874491341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11874491327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5937245678 + 5937245679.

It is an arithmetic number, because the mean of its divisors is an integer number (5937245679).

Almost surely, 2^11874491357 is an apocalyptic number.

It is an amenable number.

11874491357 is a deficient number, since it is larger than the sum of its proper divisors (1).

11874491357 is an equidigital number, since it uses as much as digits as its factorization.

11874491357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 50.

The spelling of 11874491357 in words is "eleven billion, eight hundred seventy-four million, four hundred ninety-one thousand, three hundred fifty-seven".