1253505404032 has 64 divisors (see below), whose sum is σ = 2880635970240. Its totient is φ = 532195845120.

The previous prime is 1253505404023. The next prime is 1253505404071. The reversal of 1253505404032 is 2304045053521.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6441519 + ... + 6633262.

It is an arithmetic number, because the mean of its divisors is an integer number (45009937035).

Almost surely, 2^{1253505404032} is an apocalyptic number.

It is an amenable number.

1253505404032 is an abundant number, since it is smaller than the sum of its proper divisors (1627130566208).

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

1253505404032 is a wasteful number, since it uses less digits than its factorization.

1253505404032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13074909 (or 13074897 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 1253505404032 in words is "one trillion, two hundred fifty-three billion, five hundred five million, four hundred four thousand, thirty-two".