1553042680320 has 80 divisors (see below), whose sum is σ = 4964883343200. Its totient is φ = 414144712704.

The previous prime is 1553042680279. The next prime is 1553042680327. The reversal of 1553042680320 is 230862403551.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (1553042680327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101101870 + ... + 101117229.

It is an arithmetic number, because the mean of its divisors is an integer number (62061041790).

Almost surely, 2^{1553042680320} is an apocalyptic number.

1553042680320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1553042680320 is an abundant number, since it is smaller than the sum of its proper divisors (3411840662880).

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

1553042680320 is an equidigital number, since it uses as much as digits as its factorization.

1553042680320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202219125 (or 202219109 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 1553042680320 in words is "one trillion, five hundred fifty-three billion, forty-two million, six hundred eighty thousand, three hundred twenty".