11407868587 has 4 divisors (see below), whose sum is σ = 11414000416. Its totient is φ = 11401736760.

The previous prime is 11407868573. The next prime is 11407868597. The reversal of 11407868587 is 78586870411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11407868587 - 2¹¹ = 11407866539 is a prime.

It is a super-2 number, since 2×11407868587² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11407868597) 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 in 3 ways as a sum of consecutive naturals, for example, 3063123 + ... + 3066844.

It is an arithmetic number, because the mean of its divisors is an integer number (2853500104).

Almost surely, 2^11407868587 is an apocalyptic number.

11407868587 is a deficient number, since it is larger than the sum of its proper divisors (6131829).

11407868587 is an equidigital number, since it uses as much as digits as its factorization.

11407868587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6131828.

The product of its (nonzero) digits is 3010560, while the sum is 55.

The spelling of 11407868587 in words is "eleven billion, four hundred seven million, eight hundred sixty-eight thousand, five hundred eighty-seven".