12465451751 has 4 divisors (see below), whose sum is σ = 12555131400. Its totient is φ = 12375772104.

The previous prime is 12465451699. The next prime is 12465451783. The reversal of 12465451751 is 15715456421.

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 12465451751 - 2²² = 12461257447 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12465451699 and 12465451708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12465451451) 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, 44839616 + ... + 44839893.

It is an arithmetic number, because the mean of its divisors is an integer number (3138782850).

Almost surely, 2^12465451751 is an apocalyptic number.

12465451751 is a deficient number, since it is larger than the sum of its proper divisors (89679649).

12465451751 is an equidigital number, since it uses as much as digits as its factorization.

12465451751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89679648.

The product of its digits is 168000, while the sum is 41.

The spelling of 12465451751 in words is "twelve billion, four hundred sixty-five million, four hundred fifty-one thousand, seven hundred fifty-one".