1151042450 has 12 divisors (see below), whose sum is σ = 2140939050. Its totient is φ = 460416960.

The previous prime is 1151042441. The next prime is 1151042461. The reversal of 1151042450 is 542401511.

It can be written as a sum of positive squares in 3 ways, for example, as 706549561 + 444492889 = 26581^2 + 21083^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11510375 + ... + 11510474.

Almost surely, 2^1151042450 is an apocalyptic number.

1151042450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1151042450 is a deficient number, since it is larger than the sum of its proper divisors (989896600).

1151042450 is a wasteful number, since it uses less digits than its factorization.

1151042450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23020861 (or 23020856 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1151042450 is about 33927.0165207611. The cubic root of 1151042450 is about 1048.0060268334.

Adding to 1151042450 its reverse (542401511), we get a palindrome (1693443961).

The spelling of 1151042450 in words is "one billion, one hundred fifty-one million, forty-two thousand, four hundred fifty".