11855698019252 has 12 divisors (see below), whose sum is σ = 20754942734820. Its totient is φ = 5925714380736.

The previous prime is 11855698019251. The next prime is 11855698019309. The reversal of 11855698019252 is 25291089655811.

11855698019252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1035782494756 + 10819915524496 = 1017734^2 + 3289364^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11855698019251) 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, 533644727 + ... + 533666942.

It is an arithmetic number, because the mean of its divisors is an integer number (1729578561235).

Almost surely, 2^{11855698019252} is an apocalyptic number.

It is an amenable number.

11855698019252 is a deficient number, since it is larger than the sum of its proper divisors (8899244715568).

11855698019252 is a wasteful number, since it uses less digits than its factorization.

11855698019252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067314450 (or 1067314448 counting only the distinct ones).

The product of its (nonzero) digits is 15552000, while the sum is 62.

The spelling of 11855698019252 in words is "eleven trillion, eight hundred fifty-five billion, six hundred ninety-eight million, nineteen thousand, two hundred fifty-two".