12511242004623 has 4 divisors (see below), whose sum is σ = 16681656006168. Its totient is φ = 8340828003080.

The previous prime is 12511242004621. The next prime is 12511242004649. The reversal of 12511242004623 is 32640024211521.

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 12511242004623 - 2¹ = 12511242004621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12511242004621) 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, 2085207000768 + ... + 2085207000773.

It is an arithmetic number, because the mean of its divisors is an integer number (4170414001542).

Almost surely, 2^{12511242004623} is an apocalyptic number.

12511242004623 is a deficient number, since it is larger than the sum of its proper divisors (4170414001545).

12511242004623 is an equidigital number, since it uses as much as digits as its factorization.

12511242004623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4170414001544.

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 12511242004623 in words is "twelve trillion, five hundred eleven billion, two hundred forty-two million, four thousand, six hundred twenty-three".