11271213652 has 48 divisors (see below), whose sum is σ = 20527879680. Its totient is φ = 5410668672.

The previous prime is 11271213619. The next prime is 11271213671. The reversal of 11271213652 is 25631217211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3557373 + ... + 3560539.

It is an arithmetic number, because the mean of its divisors is an integer number (427664160).

Almost surely, 2^11271213652 is an apocalyptic number.

It is an amenable number.

11271213652 is a deficient number, since it is larger than the sum of its proper divisors (9256666028).

11271213652 is a wasteful number, since it uses less digits than its factorization.

11271213652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3520 (or 3518 counting only the distinct ones).

The product of its digits is 5040, while the sum is 31.

The spelling of 11271213652 in words is "eleven billion, two hundred seventy-one million, two hundred thirteen thousand, six hundred fifty-two".