1325023011 has 24 divisors (see below), whose sum is σ = 2084322240. Its totient is φ = 806230656.

The previous prime is 1325022991. The next prime is 1325023019. The reversal of 1325023011 is 1103205231.

1325023011 is a `hidden beast` number, since 132 + 502 + 30 + 1 + 1 = 666.

It is not a de Polignac number, because 1325023011 - 2¹⁸ = 1324760867 is a prime.

It is a super-2 number, since 2×1325023011² = 3511371959359012242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1325023019) 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, 53211 + ... + 74036.

It is an arithmetic number, because the mean of its divisors is an integer number (86846760).

Almost surely, 2^1325023011 is an apocalyptic number.

1325023011 is a deficient number, since it is larger than the sum of its proper divisors (759299229).

1325023011 is a wasteful number, since it uses less digits than its factorization.

1325023011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127355 (or 127352 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 1325023011 is about 36400.8655254240. The cubic root of 1325023011 is about 1098.3509757181.

Adding to 1325023011 its reverse (1103205231), we get a palindrome (2428228242).

The spelling of 1325023011 in words is "one billion, three hundred twenty-five million, twenty-three thousand, eleven".