42556445101 has 8 divisors (see below), whose sum is σ = 43321400864. Its totient is φ = 41793660720.

The previous prime is 42556445069. The next prime is 42556445123. The reversal of 42556445101 is 10154465524.

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 42556445101 - 2⁵ = 42556445069 is a prime.

It is a super-2 number, since 2×42556445101² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42556449101) 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, 503271 + ... + 581716.

It is an arithmetic number, because the mean of its divisors is an integer number (5415175108).

Almost surely, 2^42556445101 is an apocalyptic number.

It is an amenable number.

42556445101 is a deficient number, since it is larger than the sum of its proper divisors (764955763).

42556445101 is a wasteful number, since it uses less digits than its factorization.

42556445101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085691.

The product of its (nonzero) digits is 96000, while the sum is 37.

The spelling of 42556445101 in words is "forty-two billion, five hundred fifty-six million, four hundred forty-five thousand, one hundred one".