11512216262 has 16 divisors (see below), whose sum is σ = 17372290320. Its totient is φ = 5721508128.

The previous prime is 11512216259. The next prime is 11512216271. The reversal of 11512216262 is 26261221511.

It is a super-2 number, since 2×11512216262² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423773 + ... + 450119.

It is an arithmetic number, because the mean of its divisors is an integer number (1085768145).

Almost surely, 2^11512216262 is an apocalyptic number.

11512216262 is a deficient number, since it is larger than the sum of its proper divisors (5860074058).

11512216262 is a wasteful number, since it uses less digits than its factorization.

11512216262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27655.

The product of its digits is 2880, while the sum is 29.

Adding to 11512216262 its reverse (26261221511), we get a palindrome (37773437773).

The spelling of 11512216262 in words is "eleven billion, five hundred twelve million, two hundred sixteen thousand, two hundred sixty-two".