1352985837500 has 72 divisors (see below), whose sum is σ = 3228509893392. Its totient is φ = 491994800000.

The previous prime is 1352985837487. The next prime is 1352985837503. The reversal of 1352985837500 is 57385892531.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1352985837503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4782449 + ... + 5057448.

It is an arithmetic number, because the mean of its divisors is an integer number (44840415186).

Almost surely, 2^{1352985837500} is an apocalyptic number.

1352985837500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1352985837500 is an abundant number, since it is smaller than the sum of its proper divisors (1875524055892).

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

1352985837500 is an equidigital number, since it uses as much as digits as its factorization.

1352985837500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9839937 (or 9839915 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 56.

The spelling of 1352985837500 in words is "one trillion, three hundred fifty-two billion, nine hundred eighty-five million, eight hundred thirty-seven thousand, five hundred".