111001132987 has 16 divisors (see below), whose sum is σ = 120462908832. Its totient is φ = 101867950080.

The previous prime is 111001132961. The next prime is 111001133011. The reversal of 111001132987 is 789231100111.

It is a cyclic number.

It is not a de Polignac number, because 111001132987 - 2¹⁵ = 111001100219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111001132927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1262968 + ... + 1347994.

It is an arithmetic number, because the mean of its divisors is an integer number (7528931802).

Almost surely, 2^111001132987 is an apocalyptic number.

111001132987 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

111001132987 is a deficient number, since it is larger than the sum of its proper divisors (9461775845).

111001132987 is a wasteful number, since it uses less digits than its factorization.

111001132987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86958.

The product of its (nonzero) digits is 3024, while the sum is 34.

The spelling of 111001132987 in words is "one hundred eleven billion, one million, one hundred thirty-two thousand, nine hundred eighty-seven".