11853572841 has 24 divisors (see below), whose sum is σ = 18694200096. Its totient is φ = 7177890240.

The previous prime is 11853572833. The next prime is 11853572867. The reversal of 11853572841 is 14827535811.

11853572841 is a `hidden beast` number, since 1 + 1 + 8 + 535 + 72 + 8 + 41 = 666.

It is not a de Polignac number, because 11853572841 - 2³ = 11853572833 is a prime.

It is a super-2 number, since 2×11853572841² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11853572041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67926 + ... + 168288.

It is an arithmetic number, because the mean of its divisors is an integer number (778925004).

Almost surely, 2^11853572841 is an apocalyptic number.

11853572841 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11853572841 is a deficient number, since it is larger than the sum of its proper divisors (6840627255).

11853572841 is a wasteful number, since it uses less digits than its factorization.

11853572841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101573 (or 101570 counting only the distinct ones).

The product of its digits is 268800, while the sum is 45.

The spelling of 11853572841 in words is "eleven billion, eight hundred fifty-three million, five hundred seventy-two thousand, eight hundred forty-one".