12611764403 has 12 divisors (see below), whose sum is σ = 14734905840. Its totient is φ = 10762868592.

The previous prime is 12611764357. The next prime is 12611764447. The reversal of 12611764403 is 30446711621.

It is not a de Polignac number, because 12611764403 - 2⁶ = 12611764339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12611763403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 550751 + ... + 573192.

It is an arithmetic number, because the mean of its divisors is an integer number (1227908820).

Almost surely, 2^12611764403 is an apocalyptic number.

12611764403 is a deficient number, since it is larger than the sum of its proper divisors (2123141437).

12611764403 is a wasteful number, since it uses less digits than its factorization.

12611764403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124186 (or 1124179 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 12611764403 in words is "twelve billion, six hundred eleven million, seven hundred sixty-four thousand, four hundred three".