12445151851 has 16 divisors (see below), whose sum is σ = 13738652928. Its totient is φ = 11179159200.

The previous prime is 12445151809. The next prime is 12445151879. The reversal of 12445151851 is 15815154421.

It is not a de Polignac number, because 12445151851 - 2¹⁷ = 12445020779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12445151851.

It is not an unprimeable number, because it can be changed into a prime (12445151051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 510400 + ... + 534226.

It is an arithmetic number, because the mean of its divisors is an integer number (858665808).

Almost surely, 2^12445151851 is an apocalyptic number.

12445151851 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12445151851 is a deficient number, since it is larger than the sum of its proper divisors (1293501077).

12445151851 is a wasteful number, since it uses less digits than its factorization.

12445151851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24402.

The product of its digits is 32000, while the sum is 37.

The spelling of 12445151851 in words is "twelve billion, four hundred forty-five million, one hundred fifty-one thousand, eight hundred fifty-one".