42150435532521 has 8 divisors (see below), whose sum is σ = 58013502668544. Its totient is φ = 27193829375760.

The previous prime is 42150435532487. The next prime is 42150435532631. The reversal of 42150435532521 is 12523553405124.

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

It is not a de Polignac number, because 42150435532521 - 2²⁵ = 42150401978089 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42150435532421) 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, 226615244706 + ... + 226615244891.

It is an arithmetic number, because the mean of its divisors is an integer number (7251687833568).

Almost surely, 2^{42150435532521} is an apocalyptic number.

It is an amenable number.

42150435532521 is a deficient number, since it is larger than the sum of its proper divisors (15863067136023).

42150435532521 is a wasteful number, since it uses less digits than its factorization.

42150435532521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453230489631.

The product of its (nonzero) digits is 720000, while the sum is 42.

Adding to 42150435532521 its reverse (12523553405124), we get a palindrome (54673988937645).

The spelling of 42150435532521 in words is "forty-two trillion, one hundred fifty billion, four hundred thirty-five million, five hundred thirty-two thousand, five hundred twenty-one".