1156377325 has 48 divisors (see below), whose sum is σ = 1546900992. Its totient is φ = 855360000.

The previous prime is 1156377323. The next prime is 1156377347. The reversal of 1156377325 is 5237736511.

It is a happy number.

It is not a de Polignac number, because 1156377325 - 2¹ = 1156377323 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156377323) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4266940 + ... + 4267210.

It is an arithmetic number, because the mean of its divisors is an integer number (32227104).

Almost surely, 2^1156377325 is an apocalyptic number.

It is an amenable number.

1156377325 is a deficient number, since it is larger than the sum of its proper divisors (390523667).

1156377325 is a wasteful number, since it uses less digits than its factorization.

1156377325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526 (or 521 counting only the distinct ones).

The product of its digits is 132300, while the sum is 40.

The square root of 1156377325 is about 34005.5484443348. The cubic root of 1156377325 is about 1049.6226383940.

It can be divided in two parts, 11563 and 77325, that added together give a palindrome (88888).

The spelling of 1156377325 in words is "one billion, one hundred fifty-six million, three hundred seventy-seven thousand, three hundred twenty-five".