253515134010 has 32 divisors (see below), whose sum is σ = 640459287360. Its totient is φ = 64045928448.

The previous prime is 253515133961. The next prime is 253515134039. The reversal of 253515134010 is 10431515352.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 222381127 + ... + 222382266.

It is an arithmetic number, because the mean of its divisors is an integer number (20014352730).

Almost surely, 2^253515134010 is an apocalyptic number.

253515134010 is an abundant number, since it is smaller than the sum of its proper divisors (386944153350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253515134010 is a wasteful number, since it uses less digits than its factorization.

253515134010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444763422.

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 253515134010 its reverse (10431515352), we get a palindrome (263946649362).

The spelling of 253515134010 in words is "two hundred fifty-three billion, five hundred fifteen million, one hundred thirty-four thousand, ten".