1375311125 has 36 divisors (see below), whose sum is σ = 1790271756. Its totient is φ = 1054806000.

The previous prime is 1375311121. The next prime is 1375311137. The reversal of 1375311125 is 5211135731.

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 2 ways, for example, as 44009956 + 1331301169 = 6634^2 + 36487^2 .

It is not a de Polignac number, because 1375311125 - 2² = 1375311121 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375311121) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12853322 + ... + 12853428.

It is an arithmetic number, because the mean of its divisors is an integer number (49729771).

Almost surely, 2^1375311125 is an apocalyptic number.

It is an amenable number.

1375311125 is a deficient number, since it is larger than the sum of its proper divisors (414960631).

1375311125 is an frugal number, since it uses more digits than its factorization.

1375311125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 143 counting only the distinct ones).

The product of its digits is 3150, while the sum is 29.

The square root of 1375311125 is about 37085.1874068340. The cubic root of 1375311125 is about 1112.0739099663.

Adding to 1375311125 its reverse (5211135731), we get a palindrome (6586446856).

The spelling of 1375311125 in words is "one billion, three hundred seventy-five million, three hundred eleven thousand, one hundred twenty-five".