11562161516 has 24 divisors (see below), whose sum is σ = 21427385616. Its totient is φ = 5440158720.

The previous prime is 11562161483. The next prime is 11562161519. The reversal of 11562161516 is 61516126511.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11562161519) 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, 689876 + ... + 706436.

It is an arithmetic number, because the mean of its divisors is an integer number (892807734).

Almost surely, 2^11562161516 is an apocalyptic number.

It is an amenable number.

11562161516 is a deficient number, since it is larger than the sum of its proper divisors (9865224100).

11562161516 is a wasteful number, since it uses less digits than its factorization.

11562161516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26849 (or 26847 counting only the distinct ones).

The product of its digits is 10800, while the sum is 35.

The spelling of 11562161516 in words is "eleven billion, five hundred sixty-two million, one hundred sixty-one thousand, five hundred sixteen".