1151541200 has 30 divisors (see below), whose sum is σ = 2766578694. Its totient is φ = 460616320.

The previous prime is 1151541199. The next prime is 1151541203. The reversal of 1151541200 is 21451511.

It can be written as a sum of positive squares in 3 ways, for example, as 276091456 + 875449744 = 16616^2 + 29588^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151541203) 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, 1439027 + ... + 1439826.

Almost surely, 2^1151541200 is an apocalyptic number.

1151541200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1151541200 is an abundant number, since it is smaller than the sum of its proper divisors (1615037494).

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

1151541200 is a wasteful number, since it uses less digits than its factorization.

1151541200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2878871 (or 2878860 counting only the distinct ones).

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

The square root of 1151541200 is about 33934.3660615607. The cubic root of 1151541200 is about 1048.1573729833.

Adding to 1151541200 its reverse (21451511), we get a palindrome (1172992711).

The spelling of 1151541200 in words is "one billion, one hundred fifty-one million, five hundred forty-one thousand, two hundred".