11522780086 has 8 divisors (see below), whose sum is σ = 17284647744. Its totient is φ = 5761230840.

The previous prime is 11522780057. The next prime is 11522780089. The reversal of 11522780086 is 68008722511.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11522780089) 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, 59451 + ... + 163033.

It is an arithmetic number, because the mean of its divisors is an integer number (2160580968).

Almost surely, 2^11522780086 is an apocalyptic number.

11522780086 is a deficient number, since it is larger than the sum of its proper divisors (5761867658).

11522780086 is a wasteful number, since it uses less digits than its factorization.

11522780086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159206.

The product of its (nonzero) digits is 53760, while the sum is 40.

The spelling of 11522780086 in words is "eleven billion, five hundred twenty-two million, seven hundred eighty thousand, eighty-six".