42156625513 has 8 divisors (see below), whose sum is σ = 43102156032. Its totient is φ = 41213119296.

The previous prime is 42156625463. The next prime is 42156625529. The reversal of 42156625513 is 31552665124.

42156625513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42156625513 - 2⁹ = 42156625001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42156625613) 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, 463920 + ... + 547297.

It is an arithmetic number, because the mean of its divisors is an integer number (5387769504).

Almost surely, 2^42156625513 is an apocalyptic number.

It is an amenable number.

42156625513 is a deficient number, since it is larger than the sum of its proper divisors (945530519).

42156625513 is a wasteful number, since it uses less digits than its factorization.

42156625513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012151.

The product of its digits is 216000, while the sum is 40.

The spelling of 42156625513 in words is "forty-two billion, one hundred fifty-six million, six hundred twenty-five thousand, five hundred thirteen".