253055030505 has 8 divisors (see below), whose sum is σ = 404888048832. Its totient is φ = 134962682928.

The previous prime is 253055030483. The next prime is 253055030519. The reversal of 253055030505 is 505030550352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 253055030505 - 2¹² = 253055026409 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8435167669 + ... + 8435167698.

It is an arithmetic number, because the mean of its divisors is an integer number (50611006104).

Almost surely, 2^253055030505 is an apocalyptic number.

It is an amenable number.

253055030505 is a deficient number, since it is larger than the sum of its proper divisors (151833018327).

253055030505 is a wasteful number, since it uses less digits than its factorization.

253055030505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16870335375.

The product of its (nonzero) digits is 56250, while the sum is 33.

Adding to 253055030505 its reverse (505030550352), we get a palindrome (758085580857).

The spelling of 253055030505 in words is "two hundred fifty-three billion, fifty-five million, thirty thousand, five hundred five".