1325251023435 has 48 divisors (see below), whose sum is σ = 2560237299360. Its totient is φ = 630212244480.

The previous prime is 1325251023431. The next prime is 1325251023461. The reversal of 1325251023435 is 5343201525231.

1325251023435 is a `hidden beast` number, since 1 + 32 + 52 + 510 + 2 + 34 + 35 = 666.

It is not a de Polignac number, because 1325251023435 - 2² = 1325251023431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1325251023435.

It is not an unprimeable number, because it can be changed into a prime (1325251023431) 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, 45573736 + ... + 45602805.

It is an arithmetic number, because the mean of its divisors is an integer number (53338277070).

Almost surely, 2^{1325251023435} is an apocalyptic number.

1325251023435 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1325251023435 is a deficient number, since it is larger than the sum of its proper divisors (1234986275925).

1325251023435 is a wasteful number, since it uses less digits than its factorization.

1325251023435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91176588 (or 91176585 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 1325251023435 its reverse (5343201525231), we get a palindrome (6668452548666).

It can be divided in two parts, 132525 and 1023435, that added together give a triangular number (1155960 = T₁₅₂₀).

The spelling of 1325251023435 in words is "one trillion, three hundred twenty-five billion, two hundred fifty-one million, twenty-three thousand, four hundred thirty-five".