11581102827 has 48 divisors (see below), whose sum is σ = 19430461440. Its totient is φ = 6509897856.

The previous prime is 11581102811. The next prime is 11581102829. The reversal of 11581102827 is 72820118511.

It is not a de Polignac number, because 11581102827 - 2⁴ = 11581102811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11581102791 and 11581102800.

It is not an unprimeable number, because it can be changed into a prime (11581102829) 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, 4021174 + ... + 4024052.

It is an arithmetic number, because the mean of its divisors is an integer number (404801280).

Almost surely, 2^11581102827 is an apocalyptic number.

11581102827 is a deficient number, since it is larger than the sum of its proper divisors (7849358613).

11581102827 is a wasteful number, since it uses less digits than its factorization.

11581102827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3912 (or 3909 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 36.

The spelling of 11581102827 in words is "eleven billion, five hundred eighty-one million, one hundred two thousand, eight hundred twenty-seven".