11451450502451 has 4 divisors (see below), whose sum is σ = 11501897421192. Its totient is φ = 11401003583712.

The previous prime is 11451450502409. The next prime is 11451450502483. The reversal of 11451450502451 is 15420505415411.

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 11451450502451 - 2³⁴ = 11434270633267 is a prime.

It is a super-2 number, since 2×11451450502451² (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 (11451453502451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25223459030 + ... + 25223459483.

It is an arithmetic number, because the mean of its divisors is an integer number (2875474355298).

Almost surely, 2^{11451450502451} is an apocalyptic number.

11451450502451 is a deficient number, since it is larger than the sum of its proper divisors (50446918741).

11451450502451 is an equidigital number, since it uses as much as digits as its factorization.

11451450502451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50446918740.

The product of its (nonzero) digits is 80000, while the sum is 38.

Adding to 11451450502451 its reverse (15420505415411), we get a palindrome (26871955917862).

The spelling of 11451450502451 in words is "eleven trillion, four hundred fifty-one billion, four hundred fifty million, five hundred two thousand, four hundred fifty-one".