1111254540 has 48 divisors (see below), whose sum is σ = 3394379520. Its totient is φ = 269394880.

The previous prime is 1111254533. The next prime is 1111254541. The reversal of 1111254540 is 454521111.

It is a super-2 number, since 2×1111254540² = 2469773305341223200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1111254540.

It is not an unprimeable number, because it can be changed into a prime (1111254541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 841200 + ... + 842519.

It is an arithmetic number, because the mean of its divisors is an integer number (70716240).

Almost surely, 2^1111254540 is an apocalyptic number.

1111254540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111254540 is an abundant number, since it is smaller than the sum of its proper divisors (2283124980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111254540 is a wasteful number, since it uses less digits than its factorization.

1111254540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683742 (or 1683740 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 1111254540 is about 33335.4846972412. The cubic root of 1111254540 is about 1035.7887334244.

Adding to 1111254540 its reverse (454521111), we get a palindrome (1565775651).

The spelling of 1111254540 in words is "one billion, one hundred eleven million, two hundred fifty-four thousand, five hundred forty".