42535156061 has 4 divisors (see below), whose sum is σ = 42932680992. Its totient is φ = 42137631132.

The previous prime is 42535156049. The next prime is 42535156067. The reversal of 42535156061 is 16065153524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42535156061 - 2¹⁰ = 42535155037 is a prime.

It is a super-3 number, since 3×42535156061³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42535156067) 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, 198762305 + ... + 198762518.

It is an arithmetic number, because the mean of its divisors is an integer number (10733170248).

Almost surely, 2^42535156061 is an apocalyptic number.

It is an amenable number.

42535156061 is a deficient number, since it is larger than the sum of its proper divisors (397524931).

42535156061 is a wasteful number, since it uses less digits than its factorization.

42535156061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397524930.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 42535156061 in words is "forty-two billion, five hundred thirty-five million, one hundred fifty-six thousand, sixty-one".