1211136364 has 12 divisors (see below), whose sum is σ = 2120140624. Its totient is φ = 605381904.

The previous prime is 1211136359. The next prime is 1211136383. The reversal of 1211136364 is 4636311121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31392 + ... + 58375.

Almost surely, 2^1211136364 is an apocalyptic number.

It is an amenable number.

1211136364 is a deficient number, since it is larger than the sum of its proper divisors (909004260).

1211136364 is a wasteful number, since it uses less digits than its factorization.

1211136364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93144 (or 93142 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 1211136364 is about 34801.3845126886. The cubic root of 1211136364 is about 1065.9357169717.

Adding to 1211136364 its reverse (4636311121), we get a palindrome (5847447485).

The spelling of 1211136364 in words is "one billion, two hundred eleven million, one hundred thirty-six thousand, three hundred sixty-four".