11333101987 has 4 divisors (see below), whose sum is σ = 11439018936. Its totient is φ = 11227185040.

The previous prime is 11333101981. The next prime is 11333102111. The reversal of 11333101987 is 78910133311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78910133311 = 8171 ⋅9657341.

It is a cyclic number.

It is not a de Polignac number, because 11333101987 - 2⁷ = 11333101859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11333101981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52958314 + ... + 52958527.

It is an arithmetic number, because the mean of its divisors is an integer number (2859754734).

Almost surely, 2^11333101987 is an apocalyptic number.

11333101987 is a deficient number, since it is larger than the sum of its proper divisors (105916949).

11333101987 is a wasteful number, since it uses less digits than its factorization.

11333101987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105916948.

The product of its (nonzero) digits is 13608, while the sum is 37.

The spelling of 11333101987 in words is "eleven billion, three hundred thirty-three million, one hundred one thousand, nine hundred eighty-seven".