1151423018 has 32 divisors (see below), whose sum is σ = 1856977920. Its totient is φ = 534240000.

The previous prime is 1151423011. The next prime is 1151423051. The reversal of 1151423018 is 8103241511.

It is not an unprimeable number, because it can be changed into a prime (1151423011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 269378 + ... + 273618.

It is an arithmetic number, because the mean of its divisors is an integer number (58030560).

Almost surely, 2^1151423018 is an apocalyptic number.

1151423018 is a deficient number, since it is larger than the sum of its proper divisors (705554902).

1151423018 is a wasteful number, since it uses less digits than its factorization.

1151423018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4454.

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 1151423018 is about 33932.6246848074. The cubic root of 1151423018 is about 1048.1215144971.

Adding to 1151423018 its reverse (8103241511), we get a palindrome (9254664529).

The spelling of 1151423018 in words is "one billion, one hundred fifty-one million, four hundred twenty-three thousand, eighteen".