11272021926 has 48 divisors (see below), whose sum is σ = 24937902192. Its totient is φ = 3393973440.

The previous prime is 11272021913. The next prime is 11272021933. The reversal of 11272021926 is 62912027211.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64536 + ... + 163428.

It is an arithmetic number, because the mean of its divisors is an integer number (519539629).

Almost surely, 2^11272021926 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11272021926, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12468951096).

11272021926 is an abundant number, since it is smaller than the sum of its proper divisors (13665880266).

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

11272021926 is a wasteful number, since it uses less digits than its factorization.

11272021926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99077 (or 99066 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The spelling of 11272021926 in words is "eleven billion, two hundred seventy-two million, twenty-one thousand, nine hundred twenty-six".