12454926551 has 4 divisors (see below), whose sum is σ = 12575848272. Its totient is φ = 12334004832.

The previous prime is 12454926541. The next prime is 12454926559. The reversal of 12454926551 is 15562945421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15562945421 = 7229 ⋅2152849.

It is a cyclic number.

It is not a de Polignac number, because 12454926551 - 2²² = 12450732247 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 (12454926559) 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, 60460706 + ... + 60460911.

It is an arithmetic number, because the mean of its divisors is an integer number (3143962068).

Almost surely, 2^12454926551 is an apocalyptic number.

12454926551 is a deficient number, since it is larger than the sum of its proper divisors (120921721).

12454926551 is a wasteful number, since it uses less digits than its factorization.

12454926551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120921720.

The product of its digits is 432000, while the sum is 44.

The spelling of 12454926551 in words is "twelve billion, four hundred fifty-four million, nine hundred twenty-six thousand, five hundred fifty-one".