1142111155416 has 256 divisors, whose sum is σ = 3683111731200. Its totient is φ = 286422566400.

The previous prime is 1142111155373. The next prime is 1142111155429. The reversal of 1142111155416 is 6145511112411.

It is a happy number.

It is a super-2 number, since 2×1142111155416² (a number of 25 digits) contains 22 as substring.

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 63 ways as a sum of consecutive naturals, for example, 25126726 + ... + 25172138.

It is an arithmetic number, because the mean of its divisors is an integer number (14387155200).

Almost surely, 2^{1142111155416} 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 1142111155416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1841555865600).

1142111155416 is an abundant number, since it is smaller than the sum of its proper divisors (2541000575784).

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

1142111155416 is a wasteful number, since it uses less digits than its factorization.

1142111155416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45910 (or 45906 counting only the distinct ones).

The product of its digits is 4800, while the sum is 33.

Adding to 1142111155416 its reverse (6145511112411), we get a palindrome (7287622267827).

The spelling of 1142111155416 in words is "one trillion, one hundred forty-two billion, one hundred eleven million, one hundred fifty-five thousand, four hundred sixteen".