252501153211 has 8 divisors (see below), whose sum is σ = 255968804304. Its totient is φ = 249033738240.

The previous prime is 252501153209. The next prime is 252501153263. The reversal of 252501153211 is 112351105252.

It is a happy number.

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 252501153211 - 2¹ = 252501153209 is a prime.

It is a super-2 number, since 2×252501153211² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252501153211.

It is not an unprimeable number, because it can be changed into a prime (252501153911) 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, 3937275 + ... + 4000891.

It is an arithmetic number, because the mean of its divisors is an integer number (31996100538).

Almost surely, 2^252501153211 is an apocalyptic number.

252501153211 is a deficient number, since it is larger than the sum of its proper divisors (3467651093).

252501153211 is an equidigital number, since it uses as much as digits as its factorization.

252501153211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118061.

The product of its (nonzero) digits is 3000, while the sum is 28.

Adding to 252501153211 its reverse (112351105252), we get a palindrome (364852258463).

The spelling of 252501153211 in words is "two hundred fifty-two billion, five hundred one million, one hundred fifty-three thousand, two hundred eleven".