1245355353552 has 80 divisors (see below), whose sum is σ = 3458545781760. Its totient is φ = 384902649216.

The previous prime is 1245355353511. The next prime is 1245355353569. The reversal of 1245355353552 is 2553535535421.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent 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, 14483958 + ... + 14569685.

It is an arithmetic number, because the mean of its divisors is an integer number (43231822272).

Almost surely, 2^{1245355353552} is an apocalyptic number.

1245355353552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1245355353552 is an abundant number, since it is smaller than the sum of its proper divisors (2213190428208).

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

1245355353552 is a wasteful number, since it uses less digits than its factorization.

1245355353552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29053720 (or 29053714 counting only the distinct ones).

The product of its digits is 6750000, while the sum is 48.

The spelling of 1245355353552 in words is "one trillion, two hundred forty-five billion, three hundred fifty-five million, three hundred fifty-three thousand, five hundred fifty-two".