11381108487 has 32 divisors (see below), whose sum is σ = 17570660352. Its totient is φ = 6418155744.

The previous prime is 11381108467. The next prime is 11381108537. The reversal of 11381108487 is 78480118311.

It is not a de Polignac number, because 11381108487 - 2¹⁶ = 11381042951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11381108467) 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, 1891638 + ... + 1897644.

It is an arithmetic number, because the mean of its divisors is an integer number (549083136).

Almost surely, 2^11381108487 is an apocalyptic number.

11381108487 is a deficient number, since it is larger than the sum of its proper divisors (6189551865).

11381108487 is a wasteful number, since it uses less digits than its factorization.

11381108487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7187.

The product of its (nonzero) digits is 43008, while the sum is 42.

The spelling of 11381108487 in words is "eleven billion, three hundred eighty-one million, one hundred eight thousand, four hundred eighty-seven".