1151100452 has 12 divisors (see below), whose sum is σ = 2015595036. Its totient is φ = 575216160.

The previous prime is 1151100421. The next prime is 1151100479. The reversal of 1151100452 is 2540011511.

It can be written as a sum of positive squares in 2 ways, for example, as 363512356 + 787588096 = 19066^2 + 28064^2 .

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, 75683 + ... + 89610.

It is an arithmetic number, because the mean of its divisors is an integer number (167966253).

Almost surely, 2^1151100452 is an apocalyptic number.

It is an amenable number.

1151100452 is a deficient number, since it is larger than the sum of its proper divisors (864494584).

1151100452 is a wasteful number, since it uses less digits than its factorization.

1151100452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167038 (or 167036 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 1151100452 is about 33927.8713154834. The cubic root of 1151100452 is about 1048.0236298403.

Adding to 1151100452 its reverse (2540011511), we get a palindrome (3691111963).

The spelling of 1151100452 in words is "one billion, one hundred fifty-one million, one hundred thousand, four hundred fifty-two".