1156051325 has 24 divisors (see below), whose sum is σ = 1684121376. Its totient is φ = 776088000.

The previous prime is 1156051313. The next prime is 1156051327. The reversal of 1156051325 is 5231506511.

It is not a de Polignac number, because 1156051325 - 2⁶ = 1156051261 is a prime.

It is a super-4 number, since 4×1156051325⁴ (a number of 37 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156051327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 158111 + ... + 165260.

It is an arithmetic number, because the mean of its divisors is an integer number (70171724).

Almost surely, 2^1156051325 is an apocalyptic number.

It is an amenable number.

1156051325 is a deficient number, since it is larger than the sum of its proper divisors (528070051).

1156051325 is a wasteful number, since it uses less digits than its factorization.

1156051325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323405 (or 323400 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 1156051325 is about 34000.7547710341. The cubic root of 1156051325 is about 1049.5239943693.

Adding to 1156051325 its reverse (5231506511), we get a palindrome (6387557836).

The spelling of 1156051325 in words is "one billion, one hundred fifty-six million, fifty-one thousand, three hundred twenty-five".