1325400111 has 32 divisors (see below), whose sum is σ = 2245760000. Its totient is φ = 756799200.

The previous prime is 1325400101. The next prime is 1325400113. The reversal of 1325400111 is 1110045231.

1325400111 is a `hidden beast` number, since 13 + 2 + 540 + 0 + 111 = 666.

It is not a de Polignac number, because 1325400111 - 2⁹ = 1325399599 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 (1325400113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 480765 + ... + 483513.

It is an arithmetic number, because the mean of its divisors is an integer number (70180000).

Almost surely, 2^1325400111 is an apocalyptic number.

1325400111 is a deficient number, since it is larger than the sum of its proper divisors (920359889).

1325400111 is a wasteful number, since it uses less digits than its factorization.

1325400111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5316 (or 5310 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1325400111 is about 36406.0449788219. The cubic root of 1325400111 is about 1098.4551623028.

Adding to 1325400111 its reverse (1110045231), we get a palindrome (2435445342).

The spelling of 1325400111 in words is "one billion, three hundred twenty-five million, four hundred thousand, one hundred eleven".