1121625437503 has 2 divisors, whose sum is σ = 1121625437504. Its totient is φ = 1121625437502.

The previous prime is 1121625437479. The next prime is 1121625437509. The reversal of 1121625437503 is 3057345261211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121625437503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121625437509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560812718751 + 560812718752.

It is an arithmetic number, because the mean of its divisors is an integer number (560812718752).

Almost surely, 2^{1121625437503} is an apocalyptic number.

1121625437503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121625437503 is an equidigital number, since it uses as much as digits as its factorization.

1121625437503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 1121625437503 in words is "one trillion, one hundred twenty-one billion, six hundred twenty-five million, four hundred thirty-seven thousand, five hundred three".