11553897327 has 48 divisors (see below), whose sum is σ = 18139816800. Its totient is φ = 6521776128.

The previous prime is 11553897287. The next prime is 11553897353. The reversal of 11553897327 is 72379835511.

It is not a de Polignac number, because 11553897327 - 2¹⁶ = 11553831791 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11553897327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11553897827) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5796243 + ... + 5798235.

It is an arithmetic number, because the mean of its divisors is an integer number (377912850).

Almost surely, 2^11553897327 is an apocalyptic number.

11553897327 is a deficient number, since it is larger than the sum of its proper divisors (6585919473).

11553897327 is a wasteful number, since it uses less digits than its factorization.

11553897327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2472 (or 2465 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 51.

The spelling of 11553897327 in words is "eleven billion, five hundred fifty-three million, eight hundred ninety-seven thousand, three hundred twenty-seven".