12626012551 has 8 divisors (see below), whose sum is σ = 12666536784. Its totient is φ = 12585543360.

The previous prime is 12626012533. The next prime is 12626012561. The reversal of 12626012551 is 15521062621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12626012551 - 2¹⁷ = 12625881479 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 (12626012561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472981 + ... + 498961.

It is an arithmetic number, because the mean of its divisors is an integer number (1583317098).

Almost surely, 2^12626012551 is an apocalyptic number.

12626012551 is a deficient number, since it is larger than the sum of its proper divisors (40524233).

12626012551 is a wasteful number, since it uses less digits than its factorization.

12626012551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27521.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 12626012551 in words is "twelve billion, six hundred twenty-six million, twelve thousand, five hundred fifty-one".