252424121513551 has 16 divisors (see below), whose sum is σ = 283664817535680. Its totient is φ = 222872795354880.

The previous prime is 252424121513537. The next prime is 252424121513569. The reversal of 252424121513551 is 155315121424252.

It is a cyclic number.

It is not a de Polignac number, because 252424121513551 - 2⁵ = 252424121513519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252424121513498 and 252424121513507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252424121510551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13670265 + ... + 26300653.

It is an arithmetic number, because the mean of its divisors is an integer number (17729051095980).

Almost surely, 2^{252424121513551} is an apocalyptic number.

252424121513551 is a deficient number, since it is larger than the sum of its proper divisors (31240696022129).

252424121513551 is a wasteful number, since it uses less digits than its factorization.

252424121513551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12697266.

The product of its digits is 480000, while the sum is 43.

The spelling of 252424121513551 in words is "two hundred fifty-two trillion, four hundred twenty-four billion, one hundred twenty-one million, five hundred thirteen thousand, five hundred fifty-one".