535513160125561 has 8 divisors (see below), whose sum is σ = 567014306156064. Its totient is φ = 504012055417920.

The previous prime is 535513160125553. The next prime is 535513160125579. The reversal of 535513160125561 is 165521061315535.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 535513160125561 - 2³ = 535513160125553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (535513160125501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18677346 + ... + 37681156.

It is an arithmetic number, because the mean of its divisors is an integer number (70876788269508).

Almost surely, 2^{535513160125561} is an apocalyptic number.

It is an amenable number.

535513160125561 is a deficient number, since it is larger than the sum of its proper divisors (31501146030503).

535513160125561 is a wasteful number, since it uses less digits than its factorization.

535513160125561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20661431.

The product of its (nonzero) digits is 2025000, while the sum is 49.

The spelling of 535513160125561 in words is "five hundred thirty-five trillion, five hundred thirteen billion, one hundred sixty million, one hundred twenty-five thousand, five hundred sixty-one".