11258276816 has 20 divisors (see below), whose sum is σ = 21814644324. Its totient is φ = 5628691200.

The previous prime is 11258276723. The next prime is 11258276819. The reversal of 11258276816 is 61867285211.

It can be written as a sum of positive squares in 2 ways, for example, as 2119681600 + 9138595216 = 46040^2 + 95596^2 .

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11258276819) 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, 287876 + ... + 324636.

Almost surely, 2^11258276816 is an apocalyptic number.

11258276816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11258276816 is a deficient number, since it is larger than the sum of its proper divisors (10556367508).

11258276816 is a wasteful number, since it uses less digits than its factorization.

11258276816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55910 (or 55904 counting only the distinct ones).

The product of its digits is 322560, while the sum is 47.

The spelling of 11258276816 in words is "eleven billion, two hundred fifty-eight million, two hundred seventy-six thousand, eight hundred sixteen".