1122525648919 has 4 divisors (see below), whose sum is σ = 1126520402400. Its totient is φ = 1118530895440.

The previous prime is 1122525648889. The next prime is 1122525648997. The reversal of 1122525648919 is 9198465252211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1122525648919 - 2¹⁹ = 1122525124631 is a prime.

It is a super-2 number, since 2×1122525648919² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1122525648919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122525640919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1997376319 + ... + 1997376880.

It is an arithmetic number, because the mean of its divisors is an integer number (281630100600).

Almost surely, 2^{1122525648919} is an apocalyptic number.

1122525648919 is a deficient number, since it is larger than the sum of its proper divisors (3994753481).

1122525648919 is an equidigital number, since it uses as much as digits as its factorization.

1122525648919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3994753480.

The product of its digits is 3110400, while the sum is 55.

The spelling of 1122525648919 in words is "one trillion, one hundred twenty-two billion, five hundred twenty-five million, six hundred forty-eight thousand, nine hundred nineteen".