1111772223408 has 320 divisors, whose sum is σ = 3601689477120. Its totient is φ = 287089920000.

The previous prime is 1111772223407. The next prime is 1111772223433. The reversal of 1111772223408 is 8043222771111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1111772223407) 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, 869250513 + ... + 869251791.

It is an arithmetic number, because the mean of its divisors is an integer number (11255279616).

Almost surely, 2^{1111772223408} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1111772223408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1800844738560).

1111772223408 is an abundant number, since it is smaller than the sum of its proper divisors (2489917253712).

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

1111772223408 is a wasteful number, since it uses less digits than its factorization.

1111772223408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2496 (or 2490 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 39.

Adding to 1111772223408 its reverse (8043222771111), we get a palindrome (9154994994519).

The spelling of 1111772223408 in words is "one trillion, one hundred eleven billion, seven hundred seventy-two million, two hundred twenty-three thousand, four hundred eight".