210034252505 has 16 divisors (see below), whose sum is σ = 314233064064. Its totient is φ = 130930442880.

The previous prime is 210034252489. The next prime is 210034252511. The reversal of 210034252505 is 505252430012.

It is not a de Polignac number, because 210034252505 - 2⁴ = 210034252489 is a prime.

It is a super-2 number, since 2×210034252505² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272771372 + ... + 272772141.

It is an arithmetic number, because the mean of its divisors is an integer number (19639566504).

Almost surely, 2^210034252505 is an apocalyptic number.

It is an amenable number.

210034252505 is a deficient number, since it is larger than the sum of its proper divisors (104198811559).

210034252505 is a wasteful number, since it uses less digits than its factorization.

210034252505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545543536.

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 210034252505 its reverse (505252430012), we get a palindrome (715286682517).

The spelling of 210034252505 in words is "two hundred ten billion, thirty-four million, two hundred fifty-two thousand, five hundred five".