1111073157 has 24 divisors (see below), whose sum is σ = 1615782168. Its totient is φ = 735705600.

The previous prime is 1111073149. The next prime is 1111073189. The reversal of 1111073157 is 7513701111.

It can be written as a sum of positive squares in 4 ways, for example, as 129754881 + 981318276 = 11391^2 + 31326^2 .

It is not a de Polignac number, because 1111073157 - 2³ = 1111073149 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1111073157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111073657) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1165393 + ... + 1166345.

It is an arithmetic number, because the mean of its divisors is an integer number (67324257).

Almost surely, 2^1111073157 is an apocalyptic number.

It is an amenable number.

1111073157 is a deficient number, since it is larger than the sum of its proper divisors (504709011).

1111073157 is a wasteful number, since it uses less digits than its factorization.

1111073157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701 (or 1698 counting only the distinct ones).

The product of its (nonzero) digits is 735, while the sum is 27.

The square root of 1111073157 is about 33332.7640168048. The cubic root of 1111073157 is about 1035.7323752922.

Adding to 1111073157 its reverse (7513701111), we get a palindrome (8624774268).

The spelling of 1111073157 in words is "one billion, one hundred eleven million, seventy-three thousand, one hundred fifty-seven".