1126780199622 has 288 divisors, whose sum is σ = 3215973196800. Its totient is φ = 292387475520.

The previous prime is 1126780199593. The next prime is 1126780199693. The reversal of 1126780199622 is 2269910876211.

It is a happy number.

1126780199622 is a `hidden beast` number, since 1 + 1 + 2 + 6 + 7 + 8 + 0 + 1 + 9 + 9 + 622 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 510547243 + ... + 510549449.

It is an arithmetic number, because the mean of its divisors is an integer number (11166573600).

Almost surely, 2^{1126780199622} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1126780199622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1607986598400).

1126780199622 is an abundant number, since it is smaller than the sum of its proper divisors (2089192997178).

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

1126780199622 is a wasteful number, since it uses less digits than its factorization.

1126780199622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4198 (or 4179 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The spelling of 1126780199622 in words is "one trillion, one hundred twenty-six billion, seven hundred eighty million, one hundred ninety-nine thousand, six hundred twenty-two".