1111542152 has 16 divisors (see below), whose sum is σ = 2381876160. Its totient is φ = 476375184.

The previous prime is 1111542149. The next prime is 1111542167. The reversal of 1111542152 is 2512451111.

It is a happy number.

It is a super-2 number, since 2×1111542152² = 2471051911345582208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9924428 + ... + 9924539.

It is an arithmetic number, because the mean of its divisors is an integer number (148867260).

Almost surely, 2^1111542152 is an apocalyptic number.

It is an amenable number.

1111542152 is an abundant number, since it is smaller than the sum of its proper divisors (1270334008).

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

1111542152 is a wasteful number, since it uses less digits than its factorization.

1111542152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19848980 (or 19848976 counting only the distinct ones).

The product of its digits is 400, while the sum is 23.

The square root of 1111542152 is about 33339.7983197259. The cubic root of 1111542152 is about 1035.8780857618.

Adding to 1111542152 its reverse (2512451111), we get a palindrome (3623993263).

The spelling of 1111542152 in words is "one billion, one hundred eleven million, five hundred forty-two thousand, one hundred fifty-two".