11053940987 has 2 divisors, whose sum is σ = 11053940988. Its totient is φ = 11053940986.

The previous prime is 11053940879. The next prime is 11053941001. The reversal of 11053940987 is 78904935011.

Together with previous prime (11053940879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11053940987 is a prime.

It is a super-2 number, since 2×11053940987² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11053940687) 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 as a sum of consecutive naturals, namely, 5526970493 + 5526970494.

It is an arithmetic number, because the mean of its divisors is an integer number (5526970494).

Almost surely, 2^11053940987 is an apocalyptic number.

11053940987 is a deficient number, since it is larger than the sum of its proper divisors (1).

11053940987 is an equidigital number, since it uses as much as digits as its factorization.

11053940987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 47.

The spelling of 11053940987 in words is "eleven billion, fifty-three million, nine hundred forty thousand, nine hundred eighty-seven".