1113161503 has 2 divisors, whose sum is σ = 1113161504. Its totient is φ = 1113161502.

The previous prime is 1113161473. The next prime is 1113161527. The reversal of 1113161503 is 3051613111.

It is a strong prime.

It is an emirp because it is prime and its reverse (3051613111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1113161503 - 2⁵ = 1113161471 is a prime.

It is a super-2 number, since 2×1113161503² = 2478257063522438018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113162503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556580751 + 556580752.

It is an arithmetic number, because the mean of its divisors is an integer number (556580752).

Almost surely, 2^1113161503 is an apocalyptic number.

1113161503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113161503 is an equidigital number, since it uses as much as digits as its factorization.

1113161503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 1113161503 is about 33364.0750358825. The cubic root of 1113161503 is about 1036.3808815911.

Adding to 1113161503 its reverse (3051613111), we get a palindrome (4164774614).

The spelling of 1113161503 in words is "one billion, one hundred thirteen million, one hundred sixty-one thousand, five hundred three".