1011572503 has 2 divisors, whose sum is σ = 1011572504. Its totient is φ = 1011572502.

The previous prime is 1011572467. The next prime is 1011572533. The reversal of 1011572503 is 3052751101.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011572503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011572533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505786251 + 505786252.

It is an arithmetic number, because the mean of its divisors is an integer number (505786252).

Almost surely, 2^1011572503 is an apocalyptic number.

1011572503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011572503 is an equidigital number, since it uses as much as digits as its factorization.

1011572503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1050, while the sum is 25.

The square root of 1011572503 is about 31805.2276049080. The cubic root of 1011572503 is about 1003.8427156222.

The spelling of 1011572503 in words is "one billion, eleven million, five hundred seventy-two thousand, five hundred three".