1115554132 has 24 divisors (see below), whose sum is σ = 2433936960. Its totient is φ = 434631360.

The previous prime is 1115554109. The next prime is 1115554151. The reversal of 1115554132 is 2314555111.

It is a super-2 number, since 2×1115554132² = 2488922042844546848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 1115554132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1810657 + ... + 1811272.

It is an arithmetic number, because the mean of its divisors is an integer number (101414040).

Almost surely, 2^1115554132 is an apocalyptic number.

It is an amenable number.

1115554132 is an abundant number, since it is smaller than the sum of its proper divisors (1318382828).

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

1115554132 is a wasteful number, since it uses less digits than its factorization.

1115554132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3621951 (or 3621949 counting only the distinct ones).

The product of its digits is 3000, while the sum is 28.

The square root of 1115554132 is about 33399.9121555731. The cubic root of 1115554132 is about 1037.1228824778.

The spelling of 1115554132 in words is "one billion, one hundred fifteen million, five hundred fifty-four thousand, one hundred thirty-two".