11843409090825 has 72 divisors (see below), whose sum is σ = 23632365895320. Its totient is φ = 5629546137600.

The previous prime is 11843409090803. The next prime is 11843409090841. The reversal of 11843409090825 is 52809090434811.

It is a happy number.

11843409090825 is a `hidden beast` number, since 1 + 18 + 434 + 0 + 90 + 90 + 8 + 25 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 2575476119241 + 9267932971584 = 1604829^2 + 3044328^2 .

It is not a de Polignac number, because 11843409090825 - 2¹⁰ = 11843409089801 is a prime.

It is a super-3 number, since 3×11843409090825³ (a number of 40 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 69726016 + ... + 69895665.

Almost surely, 2^{11843409090825} is an apocalyptic number.

11843409090825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11843409090825 is a deficient number, since it is larger than the sum of its proper divisors (11788956804495).

11843409090825 is a wasteful number, since it uses less digits than its factorization.

11843409090825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139621739 (or 139621731 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The spelling of 11843409090825 in words is "eleven trillion, eight hundred forty-three billion, four hundred nine million, ninety thousand, eight hundred twenty-five".