11380243527 has 64 divisors (see below), whose sum is σ = 17620899840. Its totient is φ = 7253756928.

The previous prime is 11380243517. The next prime is 11380243541. The reversal of 11380243527 is 72534208311.

11380243527 is a `hidden beast` number, since 1 + 13 + 80 + 2 + 43 + 527 = 666.

It is not a de Polignac number, because 11380243527 - 2⁸ = 11380243271 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11380243491 and 11380243500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11380243507) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11647663 + ... + 11648639.

It is an arithmetic number, because the mean of its divisors is an integer number (275326560).

Almost surely, 2^11380243527 is an apocalyptic number.

11380243527 is a deficient number, since it is larger than the sum of its proper divisors (6240656313).

11380243527 is a wasteful number, since it uses less digits than its factorization.

11380243527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237 (or 1231 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 11380243527 in words is "eleven billion, three hundred eighty million, two hundred forty-three thousand, five hundred twenty-seven".