1313435522025 has 144 divisors (see below), whose sum is σ = 2688461191360. Its totient is φ = 628090848000.

The previous prime is 1313435522023. The next prime is 1313435522051. The reversal of 1313435522025 is 5202255343131.

1313435522025 is a `hidden beast` number, since 1 + 3 + 13 + 435 + 5 + 2 + 202 + 5 = 666.

It is not a de Polignac number, because 1313435522025 - 2¹ = 1313435522023 is a prime.

It is a super-2 number, since 2×1313435522025² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1313435522023) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 5852130 + ... + 6072420.

Almost surely, 2^{1313435522025} is an apocalyptic number.

1313435522025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1313435522025 is an abundant number, since it is smaller than the sum of its proper divisors (1375025669335).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313435522025 is a wasteful number, since it uses less digits than its factorization.

1313435522025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220405 (or 220383 counting only the distinct ones).

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

The spelling of 1313435522025 in words is "one trillion, three hundred thirteen billion, four hundred thirty-five million, five hundred twenty-two thousand, twenty-five".