1123552503457 has 2 divisors, whose sum is σ = 1123552503458. Its totient is φ = 1123552503456.

The previous prime is 1123552503413. The next prime is 1123552503511. The reversal of 1123552503457 is 7543052553211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 821713242256 + 301839261201 = 906484^2 + 549399^2 .

It is a cyclic number.

It is not a de Polignac number, because 1123552503457 - 2⁷ = 1123552503329 is a prime.

It is not a weakly prime, because it can be changed into another prime (1123552503407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561776251728 + 561776251729.

It is an arithmetic number, because the mean of its divisors is an integer number (561776251729).

Almost surely, 2^{1123552503457} is an apocalyptic number.

It is an amenable number.

1123552503457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1123552503457 is an equidigital number, since it uses as much as digits as its factorization.

1123552503457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630000, while the sum is 43.

The spelling of 1123552503457 in words is "one trillion, one hundred twenty-three billion, five hundred fifty-two million, five hundred three thousand, four hundred fifty-seven".