11212543366 has 16 divisors (see below), whose sum is σ = 17377517088. Its totient is φ = 5423017600.

The previous prime is 11212543301. The next prime is 11212543367. The reversal of 11212543366 is 66334521211.

It is a super-2 number, since 2×11212543366² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212543367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 737395 + ... + 752446.

It is an arithmetic number, because the mean of its divisors is an integer number (1086094818).

Almost surely, 2^11212543366 is an apocalyptic number.

11212543366 is a deficient number, since it is larger than the sum of its proper divisors (6164973722).

11212543366 is a wasteful number, since it uses less digits than its factorization.

11212543366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489967.

The product of its digits is 25920, while the sum is 34.

The spelling of 11212543366 in words is "eleven billion, two hundred twelve million, five hundred forty-three thousand, three hundred sixty-six".