1353632321550 has 24 divisors (see below), whose sum is σ = 3357008157816. Its totient is φ = 360968619040.

The previous prime is 1353632321549. The next prime is 1353632321579. The reversal of 1353632321550 is 551232363531.

It is a super-3 number, since 3×1353632321550³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1353632321499 and 1353632321508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4512107589 + ... + 4512107888.

It is an arithmetic number, because the mean of its divisors is an integer number (139875339909).

Almost surely, 2^{1353632321550} is an apocalyptic number.

1353632321550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1353632321550 is an abundant number, since it is smaller than the sum of its proper divisors (2003375836266).

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

1353632321550 is a wasteful number, since it uses less digits than its factorization.

1353632321550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9024215492 (or 9024215487 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 39.

The spelling of 1353632321550 in words is "one trillion, three hundred fifty-three billion, six hundred thirty-two million, three hundred twenty-one thousand, five hundred fifty".