42500720541 has 8 divisors (see below), whose sum is σ = 56728108864. Its totient is φ = 28303572960.

The previous prime is 42500720533. The next prime is 42500720543. The reversal of 42500720541 is 14502700524.

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

It is not a de Polignac number, because 42500720541 - 2³ = 42500720533 is a prime.

It is a super-2 number, since 2×42500720541² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42500720499 and 42500720508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42500720543) 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, 7556905 + ... + 7562526.

It is an arithmetic number, because the mean of its divisors is an integer number (7091013608).

Almost surely, 2^42500720541 is an apocalyptic number.

It is an amenable number.

42500720541 is a deficient number, since it is larger than the sum of its proper divisors (14227388323).

42500720541 is a wasteful number, since it uses less digits than its factorization.

42500720541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15120371.

The product of its (nonzero) digits is 11200, while the sum is 30.

The spelling of 42500720541 in words is "forty-two billion, five hundred million, seven hundred twenty thousand, five hundred forty-one".