250013504342121 has 32 divisors (see below), whose sum is σ = 359269818284160. Its totient is φ = 153736169662464.

The previous prime is 250013504342093. The next prime is 250013504342171. The reversal of 250013504342121 is 121243405310052.

It is not a de Polignac number, because 250013504342121 - 2¹¹ = 250013504340073 is a prime.

It is a super-2 number, since 2×250013504342121² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (250013504342171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 601684810 + ... + 602100188.

It is an arithmetic number, because the mean of its divisors is an integer number (11227181821380).

Almost surely, 2^{250013504342121} is an apocalyptic number.

It is an amenable number.

250013504342121 is a deficient number, since it is larger than the sum of its proper divisors (109256313942039).

250013504342121 is a wasteful number, since it uses less digits than its factorization.

250013504342121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427225.

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 250013504342121 its reverse (121243405310052), we get a palindrome (371256909652173).

The spelling of 250013504342121 in words is "two hundred fifty trillion, thirteen billion, five hundred four million, three hundred forty-two thousand, one hundred twenty-one".