1550404103325 has 192 divisors, whose sum is σ = 3237555640320. Its totient is φ = 635959296000.

The previous prime is 1550404103201. The next prime is 1550404103359. The reversal of 1550404103325 is 5233014040551.

It is not a de Polignac number, because 1550404103325 - 2²⁹ = 1549867232413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 173632461 + ... + 173641389.

It is an arithmetic number, because the mean of its divisors is an integer number (16862268960).

Almost surely, 2^{1550404103325} is an apocalyptic number.

1550404103325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1550404103325 is an abundant number, since it is smaller than the sum of its proper divisors (1687151536995).

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

1550404103325 is a wasteful number, since it uses less digits than its factorization.

1550404103325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9348 (or 9343 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 1550404103325 its reverse (5233014040551), we get a palindrome (6783418143876).

The spelling of 1550404103325 in words is "one trillion, five hundred fifty billion, four hundred four million, one hundred three thousand, three hundred twenty-five".