11451454112987 has 12 divisors (see below), whose sum is σ = 13546860282360. Its totient is φ = 9649167143616.

The previous prime is 11451454112941. The next prime is 11451454113023. The reversal of 11451454112987 is 78921145415411.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-11451454112987 is a prime.

It is a super-2 number, since 2×11451454112987² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11451454102987) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1980532238 + ... + 1980538019.

It is an arithmetic number, because the mean of its divisors is an integer number (1128905023530).

Almost surely, 2^{11451454112987} is an apocalyptic number.

11451454112987 is a deficient number, since it is larger than the sum of its proper divisors (2095406169373).

11451454112987 is an equidigital number, since it uses as much as digits as its factorization.

11451454112987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3961070330 (or 3961070323 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 53.

The spelling of 11451454112987 in words is "eleven trillion, four hundred fifty-one billion, four hundred fifty-four million, one hundred twelve thousand, nine hundred eighty-seven".