1125227158048 has 144 divisors (see below), whose sum is σ = 2612502486720. Its totient is φ = 475630880256.

The previous prime is 1125227158043. The next prime is 1125227158067. The reversal of 1125227158048 is 8408517225211.

It is a super-2 number, since 2×1125227158048² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1125227157989 and 1125227158007.

It is not an unprimeable number, because it can be changed into a prime (1125227158043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38406061 + ... + 38435347.

It is an arithmetic number, because the mean of its divisors is an integer number (18142378380).

Almost surely, 2^{1125227158048} 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 1125227158048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1306251243360).

1125227158048 is an abundant number, since it is smaller than the sum of its proper divisors (1487275328672).

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

1125227158048 is a wasteful number, since it uses less digits than its factorization.

1125227158048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29647 (or 29632 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 46.

The spelling of 1125227158048 in words is "one trillion, one hundred twenty-five billion, two hundred twenty-seven million, one hundred fifty-eight thousand, forty-eight".