43452425131425 has 72 divisors (see below), whose sum is σ = 78461108643840. Its totient is φ = 22986238060800.

The previous prime is 43452425131411. The next prime is 43452425131517. The reversal of 43452425131425 is 52413152425434.

43452425131425 is a `hidden beast` number, since 4 + 3 + 4 + 52 + 42 + 5 + 131 + 425 = 666.

It is not a de Polignac number, because 43452425131425 - 2⁸ = 43452425131169 is a prime.

It is a super-2 number, since 2×43452425131425² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 112077660 + ... + 112464690.

Almost surely, 2^{43452425131425} is an apocalyptic number.

43452425131425 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

43452425131425 is a deficient number, since it is larger than the sum of its proper divisors (35008683512415).

43452425131425 is a wasteful number, since it uses less digits than its factorization.

43452425131425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391103 (or 391095 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 45.

Adding to 43452425131425 its reverse (52413152425434), we get a palindrome (95865577556859).

The spelling of 43452425131425 in words is "forty-three trillion, four hundred fifty-two billion, four hundred twenty-five million, one hundred thirty-one thousand, four hundred twenty-five".