42502551001 has 8 divisors (see below), whose sum is σ = 42942592800. Its totient is φ = 42064760640.

The previous prime is 42502550989. The next prime is 42502551079. The reversal of 42502551001 is 10015520524.

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 42502551001 - 2³¹ = 40355067353 is a prime.

It is a super-2 number, since 2×42502551001² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42502551101) 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, 524896 + ... + 600433.

It is an arithmetic number, because the mean of its divisors is an integer number (5367824100).

Almost surely, 2^42502551001 is an apocalyptic number.

It is an amenable number.

42502551001 is a deficient number, since it is larger than the sum of its proper divisors (440041799).

42502551001 is a wasteful number, since it uses less digits than its factorization.

42502551001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125719.

The product of its (nonzero) digits is 2000, while the sum is 25.

The spelling of 42502551001 in words is "forty-two billion, five hundred two million, five hundred fifty-one thousand, one".