42511505442215 has 8 divisors (see below), whose sum is σ = 51013851239760. Its totient is φ = 34009174547712.

The previous prime is 42511505442199. The next prime is 42511505442251. The reversal of 42511505442215 is 51224450511524.

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 42511505442215 - 2⁴ = 42511505442199 is a prime.

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, 4009976 + ... + 10054994.

It is an arithmetic number, because the mean of its divisors is an integer number (6376731404970).

Almost surely, 2^{42511505442215} is an apocalyptic number.

42511505442215 is a deficient number, since it is larger than the sum of its proper divisors (8502345797545).

42511505442215 is a wasteful number, since it uses less digits than its factorization.

42511505442215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7451521.

The product of its (nonzero) digits is 320000, while the sum is 41.

Adding to 42511505442215 its reverse (51224450511524), we get a palindrome (93735955953739).

The spelling of 42511505442215 in words is "forty-two trillion, five hundred eleven billion, five hundred five million, four hundred forty-two thousand, two hundred fifteen".