1253503402104 has 32 divisors (see below), whose sum is σ = 3149665920720. Its totient is φ = 415713478656.

The previous prime is 1253503402061. The next prime is 1253503402117. The reversal of 1253503402104 is 4012043053521.

It is a congruent number.

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, 132556969 + ... + 132566424.

Almost surely, 2^{1253503402104} is an apocalyptic number.

It is an amenable number.

1253503402104 is an abundant number, since it is smaller than the sum of its proper divisors (1896162518616).

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

1253503402104 is a wasteful number, since it uses less digits than its factorization.

1253503402104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265123599 (or 265123595 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 1253503402104 its reverse (4012043053521), we get a palindrome (5265546455625).

The spelling of 1253503402104 in words is "one trillion, two hundred fifty-three billion, five hundred three million, four hundred two thousand, one hundred four".