1111152132 has 18 divisors (see below), whose sum is σ = 2808745758. Its totient is φ = 370384032.

The previous prime is 1111152131. The next prime is 1111152157. The reversal of 1111152132 is 2312511111.

1111152132 is a `hidden beast` number, since 1 + 1 + 111 + 521 + 32 = 666.

It can be written as a sum of positive squares in only one way, i.e., 848906496 + 262245636 = 29136^2 + 16194^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1111152131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15432633 + ... + 15432704.

It is an arithmetic number, because the mean of its divisors is an integer number (156041431).

Almost surely, 2^1111152132 is an apocalyptic number.

1111152132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1111152132 is an abundant number, since it is smaller than the sum of its proper divisors (1697593626).

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

1111152132 is a wasteful number, since it uses less digits than its factorization.

1111152132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30865347 (or 30865342 counting only the distinct ones).

The product of its digits is 60, while the sum is 18.

The square root of 1111152132 is about 33333.9486409876. The cubic root of 1111152132 is about 1035.7569146384.

Adding to 1111152132 its reverse (2312511111), we get a palindrome (3423663243).

The spelling of 1111152132 in words is "one billion, one hundred eleven million, one hundred fifty-two thousand, one hundred thirty-two".