12137775518 has 16 divisors (see below), whose sum is σ = 19904361984. Its totient is φ = 5505351960.

The previous prime is 12137775499. The next prime is 12137775523. The reversal of 12137775518 is 81557773121.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 580430 + ... + 600977.

It is an arithmetic number, because the mean of its divisors is an integer number (1244022624).

Almost surely, 2^12137775518 is an apocalyptic number.

12137775518 is a deficient number, since it is larger than the sum of its proper divisors (7766586466).

12137775518 is a wasteful number, since it uses less digits than its factorization.

12137775518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1181887.

The product of its digits is 411600, while the sum is 47.

The spelling of 12137775518 in words is "twelve billion, one hundred thirty-seven million, seven hundred seventy-five thousand, five hundred eighteen".