1125504185137 has 2 divisors, whose sum is σ = 1125504185138. Its totient is φ = 1125504185136.

The previous prime is 1125504185123. The next prime is 1125504185159. The reversal of 1125504185137 is 7315814055211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1109617851456 + 15886333681 = 1053384^2 + 126041^2 .

It is a cyclic number.

It is not a de Polignac number, because 1125504185137 - 2⁷ = 1125504185009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1125504185093 and 1125504185102.

It is not a weakly prime, because it can be changed into another prime (1125504185737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562752092568 + 562752092569.

It is an arithmetic number, because the mean of its divisors is an integer number (562752092569).

Almost surely, 2^{1125504185137} is an apocalyptic number.

It is an amenable number.

1125504185137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125504185137 is an equidigital number, since it uses as much as digits as its factorization.

1125504185137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168000, while the sum is 43.

The spelling of 1125504185137 in words is "one trillion, one hundred twenty-five billion, five hundred four million, one hundred eighty-five thousand, one hundred thirty-seven".