425515133345 has 4 divisors (see below), whose sum is σ = 510618160020. Its totient is φ = 340412106672.

The previous prime is 425515133341. The next prime is 425515133353. The reversal of 425515133345 is 543331515524.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 330690553249 + 94824580096 = 575057^2 + 307936^2 .

It is a cyclic number.

It is not a de Polignac number, because 425515133345 - 2² = 425515133341 is a prime.

It is a super-2 number, since 2×425515133345² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (425515133341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42551513330 + ... + 42551513339.

It is an arithmetic number, because the mean of its divisors is an integer number (127654540005).

Almost surely, 2^425515133345 is an apocalyptic number.

It is an amenable number.

425515133345 is a deficient number, since it is larger than the sum of its proper divisors (85103026675).

425515133345 is an equidigital number, since it uses as much as digits as its factorization.

425515133345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85103026674.

The product of its digits is 540000, while the sum is 41.

Adding to 425515133345 its reverse (543331515524), we get a palindrome (968846648869).

The spelling of 425515133345 in words is "four hundred twenty-five billion, five hundred fifteen million, one hundred thirty-three thousand, three hundred forty-five".