1325012511 has 16 divisors (see below), whose sum is σ = 1777646304. Its totient is φ = 877878144.

The previous prime is 1325012503. The next prime is 1325012567. The reversal of 1325012511 is 1152105231.

It is not a de Polignac number, because 1325012511 - 2³ = 1325012503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325012111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347065 + ... + 350861.

It is an arithmetic number, because the mean of its divisors is an integer number (111102894).

Almost surely, 2^1325012511 is an apocalyptic number.

1325012511 is a deficient number, since it is larger than the sum of its proper divisors (452633793).

1325012511 is a wasteful number, since it uses less digits than its factorization.

1325012511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4490.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 1325012511 is about 36400.7212977985. The cubic root of 1325012511 is about 1098.3480744563.

Adding to 1325012511 its reverse (1152105231), we get a palindrome (2477117742).

The spelling of 1325012511 in words is "one billion, three hundred twenty-five million, twelve thousand, five hundred eleven".