1123031505052 has 12 divisors (see below), whose sum is σ = 1967157455256. Its totient is φ = 560986517840.

The previous prime is 1123031505047. The next prime is 1123031505053. The reversal of 1123031505052 is 2505051303211.

It is a super-2 number, since 2×1123031505052² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1123031505052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1123031505053) 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, 132303898 + ... + 132312385.

It is an arithmetic number, because the mean of its divisors is an integer number (163929787938).

Almost surely, 2^{1123031505052} is an apocalyptic number.

It is an amenable number.

1123031505052 is a deficient number, since it is larger than the sum of its proper divisors (844125950204).

1123031505052 is a wasteful number, since it uses less digits than its factorization.

1123031505052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264617348 (or 264617346 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 1123031505052 its reverse (2505051303211), we get a palindrome (3628082808263).

The spelling of 1123031505052 in words is "one trillion, one hundred twenty-three billion, thirty-one million, five hundred five thousand, fifty-two".