11552303250405 has 12 divisors (see below), whose sum is σ = 20023992300780. Its totient is φ = 6161228400192.

The previous prime is 11552303250379. The next prime is 11552303250451. The reversal of 11552303250405 is 50405230325511.

11552303250405 is a `hidden beast` number, since 1 + 1 + 552 + 30 + 32 + 5 + 0 + 40 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8694584000964 + 2857719249441 = 2948658^2 + 1690479^2 .

It is not a de Polignac number, because 11552303250405 - 2¹⁰ = 11552303249381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11552303250405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128358924960 + ... + 128358925049.

It is an arithmetic number, because the mean of its divisors is an integer number (1668666025065).

Almost surely, 2^{11552303250405} is an apocalyptic number.

11552303250405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11552303250405 is a deficient number, since it is larger than the sum of its proper divisors (8471689050375).

11552303250405 is a wasteful number, since it uses less digits than its factorization.

11552303250405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256717850020 (or 256717850017 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

Adding to 11552303250405 its reverse (50405230325511), we get a palindrome (61957533575916).

The spelling of 11552303250405 in words is "eleven trillion, five hundred fifty-two billion, three hundred three million, two hundred fifty thousand, four hundred five".