1125504742487 has 2 divisors, whose sum is σ = 1125504742488. Its totient is φ = 1125504742486.

The previous prime is 1125504742463. The next prime is 1125504742493. The reversal of 1125504742487 is 7842474055211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1125504742487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1125504712487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562752371243 + 562752371244.

It is an arithmetic number, because the mean of its divisors is an integer number (562752371244).

Almost surely, 2^{1125504742487} is an apocalyptic number.

1125504742487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125504742487 is an equidigital number, since it uses as much as digits as its factorization.

1125504742487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2508800, while the sum is 50.

Adding to 1125504742487 its reverse (7842474055211), we get a palindrome (8967978797698).

The spelling of 1125504742487 in words is "one trillion, one hundred twenty-five billion, five hundred four million, seven hundred forty-two thousand, four hundred eighty-seven".