42520531151 has 4 divisors (see below), whose sum is σ = 48594892752. Its totient is φ = 36446169552.

The previous prime is 42520531133. The next prime is 42520531199. The reversal of 42520531151 is 15113502524.

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

It is a cyclic number.

It is not a de Polignac number, because 42520531151 - 2¹⁸ = 42520269007 is a prime.

It is a super-4 number, since 4×42520531151⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42520539151) 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, 3037180790 + ... + 3037180803.

It is an arithmetic number, because the mean of its divisors is an integer number (12148723188).

Almost surely, 2^42520531151 is an apocalyptic number.

42520531151 is a deficient number, since it is larger than the sum of its proper divisors (6074361601).

42520531151 is an equidigital number, since it uses as much as digits as its factorization.

42520531151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6074361600.

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 42520531151 in words is "forty-two billion, five hundred twenty million, five hundred thirty-one thousand, one hundred fifty-one".