11151708778572 has 48 divisors (see below), whose sum is σ = 26724526708320. Its totient is φ = 3616687590912.

The previous prime is 11151708778571. The next prime is 11151708778597. The reversal of 11151708778572 is 27587780715111.

It is not an unprimeable number, because it can be changed into a prime (11151708778571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20874618 + ... + 21402174.

It is an arithmetic number, because the mean of its divisors is an integer number (556760973090).

Almost surely, 2^{11151708778572} is an apocalyptic number.

11151708778572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11151708778572 is an abundant number, since it is smaller than the sum of its proper divisors (15572817929748).

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

11151708778572 is a wasteful number, since it uses less digits than its factorization.

11151708778572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575210 (or 575208 counting only the distinct ones).

The product of its (nonzero) digits is 7683200, while the sum is 60.

The spelling of 11151708778572 in words is "eleven trillion, one hundred fifty-one billion, seven hundred eight million, seven hundred seventy-eight thousand, five hundred seventy-two".