1136887811 has 8 divisors (see below), whose sum is σ = 1173001200. Its totient is φ = 1101173760.

The previous prime is 1136887799. The next prime is 1136887813. The reversal of 1136887811 is 1187886311.

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 1136887811 - 2¹⁰ = 1136886787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1136887813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94046 + ... + 105443.

It is an arithmetic number, because the mean of its divisors is an integer number (146625150).

Almost surely, 2^1136887811 is an apocalyptic number.

1136887811 is a deficient number, since it is larger than the sum of its proper divisors (36113389).

1136887811 is a wasteful number, since it uses less digits than its factorization.

1136887811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199669.

The product of its digits is 64512, while the sum is 44.

The square root of 1136887811 is about 33717.7669930854. The cubic root of 1136887811 is about 1043.6924378310.

The spelling of 1136887811 in words is "one billion, one hundred thirty-six million, eight hundred eighty-seven thousand, eight hundred eleven".