11211332013 has 64 divisors (see below), whose sum is σ = 19565568000. Its totient is φ = 6212106432.

The previous prime is 11211331931. The next prime is 11211332039. The reversal of 11211332013 is 31023311211.

It is not a de Polignac number, because 11211332013 - 2¹³ = 11211323821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211332113) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 962458 + ... + 974036.

It is an arithmetic number, because the mean of its divisors is an integer number (305712000).

Almost surely, 2^11211332013 is an apocalyptic number.

It is an amenable number.

11211332013 is a deficient number, since it is larger than the sum of its proper divisors (8354235987).

11211332013 is a wasteful number, since it uses less digits than its factorization.

11211332013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11751 (or 11745 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11211332013 its reverse (31023311211), we get a palindrome (42234643224).

The spelling of 11211332013 in words is "eleven billion, two hundred eleven million, three hundred thirty-two thousand, thirteen".