11375681587 has 2 divisors, whose sum is σ = 11375681588. Its totient is φ = 11375681586.

The previous prime is 11375681533. The next prime is 11375681593. The reversal of 11375681587 is 78518657311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11375681587 - 2¹⁵ = 11375648819 is a prime.

It is a super-2 number, since 2×11375681587² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11375681687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5687840793 + 5687840794.

It is an arithmetic number, because the mean of its divisors is an integer number (5687840794).

Almost surely, 2^11375681587 is an apocalyptic number.

11375681587 is a deficient number, since it is larger than the sum of its proper divisors (1).

11375681587 is an equidigital number, since it uses as much as digits as its factorization.

11375681587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1411200, while the sum is 52.

The spelling of 11375681587 in words is "eleven billion, three hundred seventy-five million, six hundred eighty-one thousand, five hundred eighty-seven".