12437145551 has 4 divisors (see below), whose sum is σ = 12448361400. Its totient is φ = 12425929704.

The previous prime is 12437145529. The next prime is 12437145563. The reversal of 12437145551 is 15554173421.

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 12437145551 - 2¹⁰ = 12437144527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12437145251) 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, 5606261 + ... + 5608478.

It is an arithmetic number, because the mean of its divisors is an integer number (3112090350).

Almost surely, 2^12437145551 is an apocalyptic number.

12437145551 is a deficient number, since it is larger than the sum of its proper divisors (11215849).

12437145551 is a wasteful number, since it uses less digits than its factorization.

12437145551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11215848.

The product of its digits is 84000, while the sum is 38.

The spelling of 12437145551 in words is "twelve billion, four hundred thirty-seven million, one hundred forty-five thousand, five hundred fifty-one".