135520125104552 has 16 divisors (see below), whose sum is σ = 254656252596660. Its totient is φ = 67611791078784.

The previous prime is 135520125104537. The next prime is 135520125104653. The reversal of 135520125104552 is 255401521025531.

It can be written as a sum of positive squares in 2 ways, for example, as 134950181641636 + 569943462916 = 11616806^2 + 754946^2 .

It is a super-2 number, since 2×135520125104552² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18533930303 + ... + 18533937614.

Almost surely, 2^{135520125104552} is an apocalyptic number.

It is an amenable number.

135520125104552 is a deficient number, since it is larger than the sum of its proper divisors (119136127492108).

135520125104552 is a wasteful number, since it uses less digits than its factorization.

135520125104552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37067868380 (or 37067868376 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 41.

The spelling of 135520125104552 in words is "one hundred thirty-five trillion, five hundred twenty billion, one hundred twenty-five million, one hundred four thousand, five hundred fifty-two".