1123125732355 has 16 divisors (see below), whose sum is σ = 1471047244128. Its totient is φ = 816388960000.

The previous prime is 1123125732347. The next prime is 1123125732359. The reversal of 1123125732355 is 5532375213211.

It is not a de Polignac number, because 1123125732355 - 2³ = 1123125732347 is a prime.

It is a super-2 number, since 2×1123125732355² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123125732359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5266426 + ... + 5475535.

It is an arithmetic number, because the mean of its divisors is an integer number (91940452758).

Almost surely, 2^{1123125732355} is an apocalyptic number.

1123125732355 is a deficient number, since it is larger than the sum of its proper divisors (347921511773).

1123125732355 is a wasteful number, since it uses less digits than its factorization.

1123125732355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10743878.

The product of its digits is 189000, while the sum is 40.

The spelling of 1123125732355 in words is "one trillion, one hundred twenty-three billion, one hundred twenty-five million, seven hundred thirty-two thousand, three hundred fifty-five".