11214520552 has 16 divisors (see below), whose sum is σ = 21032245440. Its totient is φ = 5605921776.

The previous prime is 11214520547. The next prime is 11214520553. The reversal of 11214520552 is 25502541211.

It is a super-2 number, since 2×11214520552² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11214520552.

It is not an unprimeable number, because it can be changed into a prime (11214520553) 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, 131248 + ... + 199135.

It is an arithmetic number, because the mean of its divisors is an integer number (1314515340).

Almost surely, 2^11214520552 is an apocalyptic number.

It is an amenable number.

11214520552 is a deficient number, since it is larger than the sum of its proper divisors (9817724888).

11214520552 is a wasteful number, since it uses less digits than its factorization.

11214520552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334632 (or 334628 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

The spelling of 11214520552 in words is "eleven billion, two hundred fourteen million, five hundred twenty thousand, five hundred fifty-two".