1123031505055 has 8 divisors (see below), whose sum is σ = 1356682356000. Its totient is φ = 892395504096.

The previous prime is 1123031505053. The next prime is 1123031505059. The reversal of 1123031505055 is 5505051303211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1123031505055 - 2¹ = 1123031505053 is a prime.

It is a super-2 number, since 2×1123031505055² (a number of 25 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 753711675 + ... + 753713164.

It is an arithmetic number, because the mean of its divisors is an integer number (169585294500).

Almost surely, 2^{1123031505055} is an apocalyptic number.

1123031505055 is a deficient number, since it is larger than the sum of its proper divisors (233650850945).

1123031505055 is a wasteful number, since it uses less digits than its factorization.

1123031505055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507424993.

The product of its (nonzero) digits is 11250, while the sum is 31.

Adding to 1123031505055 its reverse (5505051303211), we get a palindrome (6628082808266).

The spelling of 1123031505055 in words is "one trillion, one hundred twenty-three billion, thirty-one million, five hundred five thousand, fifty-five".