42003214212551 has 4 divisors (see below), whose sum is σ = 42003309586752. Its totient is φ = 42003118838352.

The previous prime is 42003214212529. The next prime is 42003214212559. The reversal of 42003214212551 is 15521241230024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42003214212551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42003214212559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47023415 + ... + 47908328.

It is an arithmetic number, because the mean of its divisors is an integer number (10500827396688).

Almost surely, 2^{42003214212551} is an apocalyptic number.

42003214212551 is a deficient number, since it is larger than the sum of its proper divisors (95374201).

42003214212551 is an equidigital number, since it uses as much as digits as its factorization.

42003214212551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95374200.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 42003214212551 its reverse (15521241230024), we get a palindrome (57524455442575).

The spelling of 42003214212551 in words is "forty-two trillion, three billion, two hundred fourteen million, two hundred twelve thousand, five hundred fifty-one".