11187928260 has 72 divisors (see below), whose sum is σ = 34493089176. Its totient is φ = 2934535680.

The previous prime is 11187928247. The next prime is 11187928273. The reversal of 11187928260 is 6282978111.

11187928260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11187928247) and next prime (11187928273).

It can be written as a sum of positive squares in 4 ways, for example, as 46703556 + 11141224704 = 6834^2 + 105552^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 498489 + ... + 520448.

It is an arithmetic number, because the mean of its divisors is an integer number (479070683).

Almost surely, 2^11187928260 is an apocalyptic number.

11187928260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11187928260 is an abundant number, since it is smaller than the sum of its proper divisors (23305160916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11187928260 is a wasteful number, since it uses less digits than its factorization.

11187928260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019013 (or 1019008 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 45.

The spelling of 11187928260 in words is "eleven billion, one hundred eighty-seven million, nine hundred twenty-eight thousand, two hundred sixty".