11450567987 has 8 divisors (see below), whose sum is σ = 12065586000. Its totient is φ = 10836785664.

The previous prime is 11450567981. The next prime is 11450568011. The reversal of 11450567987 is 78976505411.

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 11450567987 - 2⁸ = 11450567731 is a prime.

It is a super-2 number, since 2×11450567987² (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 (11450567981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289862 + ... + 326987.

It is an arithmetic number, because the mean of its divisors is an integer number (1508198250).

Almost surely, 2^11450567987 is an apocalyptic number.

11450567987 is a deficient number, since it is larger than the sum of its proper divisors (615018013).

11450567987 is an equidigital number, since it uses as much as digits as its factorization.

11450567987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617845.

The product of its (nonzero) digits is 2116800, while the sum is 53.

The spelling of 11450567987 in words is "eleven billion, four hundred fifty million, five hundred sixty-seven thousand, nine hundred eighty-seven".