11874831553 has 8 divisors (see below), whose sum is σ = 12792285800. Its totient is φ = 10957949568.

The previous prime is 11874831533. The next prime is 11874831557. The reversal of 11874831553 is 35513847811.

It can be written as a sum of positive squares in 4 ways, for example, as 17363889 + 11857467664 = 4167^2 + 108892^2 .

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 11874831553 - 2¹³ = 11874823361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11874831557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99468 + ... + 183421.

It is an arithmetic number, because the mean of its divisors is an integer number (1599035725).

Almost surely, 2^11874831553 is an apocalyptic number.

11874831553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11874831553 is a deficient number, since it is larger than the sum of its proper divisors (917454247).

11874831553 is a wasteful number, since it uses less digits than its factorization.

11874831553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286131.

The product of its digits is 403200, while the sum is 46.

The spelling of 11874831553 in words is "eleven billion, eight hundred seventy-four million, eight hundred thirty-one thousand, five hundred fifty-three".