11523552405 has 32 divisors (see below), whose sum is σ = 18741300480. Its totient is φ = 6045096960.

The previous prime is 11523552379. The next prime is 11523552409. The reversal of 11523552405 is 50425532511.

It is not a de Polignac number, because 11523552405 - 2¹⁴ = 11523536021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11523552409) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 448651 + ... + 473639.

It is an arithmetic number, because the mean of its divisors is an integer number (585665640).

Almost surely, 2^11523552405 is an apocalyptic number.

11523552405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11523552405 is a deficient number, since it is larger than the sum of its proper divisors (7217748075).

11523552405 is a wasteful number, since it uses less digits than its factorization.

11523552405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25501.

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 11523552405 in words is "eleven billion, five hundred twenty-three million, five hundred fifty-two thousand, four hundred five".