1111253523 has 32 divisors (see below), whose sum is σ = 1596091200. Its totient is φ = 686278656.

The previous prime is 1111253509. The next prime is 1111253567. The reversal of 1111253523 is 3253521111.

It is not a de Polignac number, because 1111253523 - 2¹² = 1111249427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1111253493 and 1111253502.

It is not an unprimeable number, because it can be changed into a prime (1111253123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 232623 + ... + 237351.

It is an arithmetic number, because the mean of its divisors is an integer number (49877850).

Almost surely, 2^1111253523 is an apocalyptic number.

1111253523 is a deficient number, since it is larger than the sum of its proper divisors (484837677).

1111253523 is a wasteful number, since it uses less digits than its factorization.

1111253523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4871.

The product of its digits is 900, while the sum is 24.

The square root of 1111253523 is about 33335.4694432222. The cubic root of 1111253523 is about 1035.7884174459.

Adding to 1111253523 its reverse (3253521111), we get a palindrome (4364774634).

The spelling of 1111253523 in words is "one billion, one hundred eleven million, two hundred fifty-three thousand, five hundred twenty-three".