1123002543425 has 48 divisors (see below), whose sum is σ = 1600128478080. Its totient is φ = 765865013760.

The previous prime is 1123002543413. The next prime is 1123002543433. The reversal of 1123002543425 is 5243452003211.

It is not a de Polignac number, because 1123002543425 - 2¹⁶ = 1123002477889 is a prime.

It is a super-2 number, since 2×1123002543425² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1123002543391 and 1123002543400.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 138826781 + ... + 138834869.

It is an arithmetic number, because the mean of its divisors is an integer number (33336009960).

Almost surely, 2^{1123002543425} is an apocalyptic number.

It is an amenable number.

1123002543425 is a deficient number, since it is larger than the sum of its proper divisors (477125934655).

1123002543425 is a wasteful number, since it uses less digits than its factorization.

1123002543425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12330 (or 12325 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 1123002543425 its reverse (5243452003211), we get a palindrome (6366454546636).

The spelling of 1123002543425 in words is "one trillion, one hundred twenty-three billion, two million, five hundred forty-three thousand, four hundred twenty-five".