1111315540 has 24 divisors (see below), whose sum is σ = 2334390912. Its totient is φ = 444406560.

The previous prime is 1111315519. The next prime is 1111315553. The reversal of 1111315540 is 455131111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133377 + ... + 141463.

It is an arithmetic number, because the mean of its divisors is an integer number (97266288).

Almost surely, 2^1111315540 is an apocalyptic number.

1111315540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111315540 is an abundant number, since it is smaller than the sum of its proper divisors (1223075372).

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

1111315540 is a wasteful number, since it uses less digits than its factorization.

1111315540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14967 (or 14965 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 22.

The square root of 1111315540 is about 33336.3996256344. The cubic root of 1111315540 is about 1035.8076855649.

Adding to 1111315540 its reverse (455131111), we get a palindrome (1566446651).

The spelling of 1111315540 in words is "one billion, one hundred eleven million, three hundred fifteen thousand, five hundred forty".