11526087778 has 8 divisors (see below), whose sum is σ = 17294975568. Its totient is φ = 5761095924.

The previous prime is 11526087751. The next prime is 11526087847. The reversal of 11526087778 is 87778062511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 966576 + ... + 978427.

It is an arithmetic number, because the mean of its divisors is an integer number (2161871946).

Almost surely, 2^11526087778 is an apocalyptic number.

11526087778 is a deficient number, since it is larger than the sum of its proper divisors (5768887790).

11526087778 is a wasteful number, since it uses less digits than its factorization.

11526087778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947968.

The product of its (nonzero) digits is 1317120, while the sum is 52.

The spelling of 11526087778 in words is "eleven billion, five hundred twenty-six million, eighty-seven thousand, seven hundred seventy-eight".