11137886787 has 8 divisors (see below), whose sum is σ = 15724075536. Its totient is φ = 6988477952.

The previous prime is 11137886783. The next prime is 11137886819. The reversal of 11137886787 is 78768873111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11137886787 - 2² = 11137886783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11137886783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109194918 + ... + 109195019.

It is an arithmetic number, because the mean of its divisors is an integer number (1965509442).

Almost surely, 2^11137886787 is an apocalyptic number.

11137886787 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11137886787 is a deficient number, since it is larger than the sum of its proper divisors (4586188749).

11137886787 is a wasteful number, since it uses less digits than its factorization.

11137886787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218389957.

The product of its digits is 3161088, while the sum is 57.

The spelling of 11137886787 in words is "eleven billion, one hundred thirty-seven million, eight hundred eighty-six thousand, seven hundred eighty-seven".