1151203415 has 16 divisors (see below), whose sum is σ = 1391860800. Its totient is φ = 914038272.

The previous prime is 1151203411. The next prime is 1151203423. The reversal of 1151203415 is 5143021511.

It is a cyclic number.

It is not a de Polignac number, because 1151203415 - 2² = 1151203411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151203411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 872126 + ... + 873444.

It is an arithmetic number, because the mean of its divisors is an integer number (86991300).

Almost surely, 2^1151203415 is an apocalyptic number.

1151203415 is a deficient number, since it is larger than the sum of its proper divisors (240657385).

1151203415 is a wasteful number, since it uses less digits than its factorization.

1151203415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2506.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1151203415 is about 33929.3886623381. The cubic root of 1151203415 is about 1048.0548765891.

Adding to 1151203415 its reverse (5143021511), we get a palindrome (6294224926).

The spelling of 1151203415 in words is "one billion, one hundred fifty-one million, two hundred three thousand, four hundred fifteen".