1151403125 has 18 divisors (see below), whose sum is σ = 1441536642. Its totient is φ = 919605000.

The previous prime is 1151403119. The next prime is 1151403167. The reversal of 1151403125 is 5213041511.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 3 ways, for example, as 532040356 + 619362769 = 23066^2 + 24887^2 .

It is not a de Polignac number, because 1151403125 - 2¹⁶ = 1151337589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1151403125.

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 1896572 + ... + 1897178.

It is an arithmetic number, because the mean of its divisors is an integer number (80085369).

Almost surely, 2^1151403125 is an apocalyptic number.

It is an amenable number.

1151403125 is a deficient number, since it is larger than the sum of its proper divisors (290133517).

1151403125 is an frugal number, since it uses more digits than its factorization.

1151403125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239 (or 612 counting only the distinct ones).

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

The square root of 1151403125 is about 33932.3315585593. The cubic root of 1151403125 is about 1048.1154783716.

Adding to 1151403125 its reverse (5213041511), we get a palindrome (6364444636).

The spelling of 1151403125 in words is "one billion, one hundred fifty-one million, four hundred three thousand, one hundred twenty-five".