11519057212 has 24 divisors (see below), whose sum is σ = 21734949600. Its totient is φ = 5310131136.

The previous prime is 11519057203. The next prime is 11519057233. The reversal of 11519057212 is 21275091511.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88387 + ... + 175642.

It is an arithmetic number, because the mean of its divisors is an integer number (905622900).

Almost surely, 2^11519057212 is an apocalyptic number.

It is an amenable number.

11519057212 is a deficient number, since it is larger than the sum of its proper divisors (10215892388).

11519057212 is a wasteful number, since it uses less digits than its factorization.

11519057212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264885 (or 264883 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 34.

The spelling of 11519057212 in words is "eleven billion, five hundred nineteen million, fifty-seven thousand, two hundred twelve".