11301312220156 has 48 divisors (see below), whose sum is σ = 23837728687360. Its totient is φ = 4579729165440.

The previous prime is 11301312220127. The next prime is 11301312220157. The reversal of 11301312220156 is 65102221310311.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11301312220157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20030625 + ... + 20587096.

Almost surely, 2^{11301312220156} is an apocalyptic number.

It is an amenable number.

11301312220156 is an abundant number, since it is smaller than the sum of its proper divisors (12536416467204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11301312220156 is a wasteful number, since it uses less digits than its factorization.

11301312220156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40618274 (or 40618272 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

Adding to 11301312220156 its reverse (65102221310311), we get a palindrome (76403533530467).

The spelling of 11301312220156 in words is "eleven trillion, three hundred one billion, three hundred twelve million, two hundred twenty thousand, one hundred fifty-six".