11372820518 has 16 divisors (see below), whose sum is σ = 17656028160. Its totient is φ = 5488446600.

The previous prime is 11372820517. The next prime is 11372820523. The reversal of 11372820518 is 81502827311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11372820517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218498 + ... + 265493.

It is an arithmetic number, because the mean of its divisors is an integer number (1103501760).

Almost surely, 2^11372820518 is an apocalyptic number.

11372820518 is a deficient number, since it is larger than the sum of its proper divisors (6283207642).

11372820518 is a wasteful number, since it uses less digits than its factorization.

11372820518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484403.

The product of its (nonzero) digits is 26880, while the sum is 38.

The spelling of 11372820518 in words is "eleven billion, three hundred seventy-two million, eight hundred twenty thousand, five hundred eighteen".