42020211505015 has 8 divisors (see below), whose sum is σ = 50424290010288. Its totient is φ = 33616145067840.

The previous prime is 42020211504949. The next prime is 42020211505037. The reversal of 42020211505015 is 51050511202024.

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

It is not a de Polignac number, because 42020211505015 - 2²³ = 42020203116407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8980299 + ... + 12833011.

It is an arithmetic number, because the mean of its divisors is an integer number (6303036251286).

Almost surely, 2^{42020211505015} is an apocalyptic number.

42020211505015 is a deficient number, since it is larger than the sum of its proper divisors (8404078505273).

42020211505015 is a wasteful number, since it uses less digits than its factorization.

42020211505015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6034049.

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 42020211505015 its reverse (51050511202024), we get a palindrome (93070722707039).

The spelling of 42020211505015 in words is "forty-two trillion, twenty billion, two hundred eleven million, five hundred five thousand, fifteen".