11843751241 has 15 divisors (see below), whose sum is σ = 13823111463. Its totient is φ = 10147215960.

The previous prime is 11843751239. The next prime is 11843751247. The reversal of 11843751241 is 14215734811.

The square root of 11843751241 is 108829.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 8031923641 + 3811827600 = 89621^2 + 61740^2 .

It is not a de Polignac number, because 11843751241 - 2¹ = 11843751239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11843751241.

It is not an unprimeable number, because it can be changed into a prime (11843751247) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 5331511 + ... + 5333731.

Almost surely, 2^11843751241 is an apocalyptic number.

11843751241 is the 108829-th square number.

11843751241 is the 54415-th centered octagonal number.

It is an amenable number.

11843751241 is a deficient number, since it is larger than the sum of its proper divisors (1979360222).

11843751241 is an frugal number, since it uses more digits than its factorization.

11843751241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4470 (or 2228 counting only the distinct ones).

The product of its digits is 26880, while the sum is 37.

The spelling of 11843751241 in words is "eleven billion, eight hundred forty-three million, seven hundred fifty-one thousand, two hundred forty-one".