1151155552 has 48 divisors (see below), whose sum is σ = 2308582080. Its totient is φ = 564941952.

The previous prime is 1151155487. The next prime is 1151155553. The reversal of 1151155552 is 2555511511.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151155553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431599 + ... + 434257.

It is an arithmetic number, because the mean of its divisors is an integer number (48095460).

Almost surely, 2^1151155552 is an apocalyptic number.

It is an amenable number.

1151155552 is an abundant number, since it is smaller than the sum of its proper divisors (1157426528).

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

1151155552 is a wasteful number, since it uses less digits than its factorization.

1151155552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2915 (or 2907 counting only the distinct ones).

The product of its digits is 6250, while the sum is 31.

The square root of 1151155552 is about 33928.6833225223. The cubic root of 1151155552 is about 1048.0403515726.

The spelling of 1151155552 in words is "one billion, one hundred fifty-one million, one hundred fifty-five thousand, five hundred fifty-two".