1151144325 has 24 divisors (see below), whose sum is σ = 2114696000. Its totient is φ = 613943280.

The previous prime is 1151144303. The next prime is 1151144329. The reversal of 1151144325 is 5234411511.

1151144325 is a `hidden beast` number, since 115 + 114 + 432 + 5 = 666.

It is not a de Polignac number, because 1151144325 - 2⁶ = 1151144261 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151144329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 852025 + ... + 853374.

Almost surely, 2^1151144325 is an apocalyptic number.

1151144325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1151144325 is a deficient number, since it is larger than the sum of its proper divisors (963551675).

1151144325 is a wasteful number, since it uses less digits than its factorization.

1151144325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705418 (or 1705407 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 1151144325 is about 33928.5178721382. The cubic root of 1151144325 is about 1048.0369444491.

Adding to 1151144325 its reverse (5234411511), we get a palindrome (6385555836).

The spelling of 1151144325 in words is "one billion, one hundred fifty-one million, one hundred forty-four thousand, three hundred twenty-five".