1152511451 has 8 divisors (see below), whose sum is σ = 1418475744. Its totient is φ = 911877120.

The previous prime is 1152511441. The next prime is 1152511453. The reversal of 1152511451 is 1541152511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1152511451 - 2⁶ = 1152511387 is a prime.

It is a super-2 number, since 2×1152511451² = 2656565289372250802, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1152511451.

It is not an unprimeable number, because it can be changed into a prime (1152511453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6332390 + ... + 6332571.

It is an arithmetic number, because the mean of its divisors is an integer number (177309468).

Almost surely, 2^1152511451 is an apocalyptic number.

1152511451 is a deficient number, since it is larger than the sum of its proper divisors (265964293).

1152511451 is a wasteful number, since it uses less digits than its factorization.

1152511451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12664981.

The product of its digits is 1000, while the sum is 26.

The square root of 1152511451 is about 33948.6590456825. The cubic root of 1152511451 is about 1048.4516713981.

Adding to 1152511451 its reverse (1541152511), we get a palindrome (2693663962).

The spelling of 1152511451 in words is "one billion, one hundred fifty-two million, five hundred eleven thousand, four hundred fifty-one".