1125723616448 has 84 divisors (see below), whose sum is σ = 2374832798712. Its totient is φ = 529343769600.

The previous prime is 1125723616447. The next prime is 1125723616469. The reversal of 1125723616448 is 8446163275211.

It is a happy number.

It is a super-2 number, since 2×1125723616448² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1125723616396 and 1125723616405.

It is not an unprimeable number, because it can be changed into a prime (1125723616447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2987423 + ... + 3343073.

Almost surely, 2^{1125723616448} 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 1125723616448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1187416399356).

1125723616448 is an abundant number, since it is smaller than the sum of its proper divisors (1249109182264).

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

1125723616448 is a wasteful number, since it uses less digits than its factorization.

1125723616448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355838 (or 355809 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 50.

The spelling of 1125723616448 in words is "one trillion, one hundred twenty-five billion, seven hundred twenty-three million, six hundred sixteen thousand, four hundred forty-eight".