1004253101550 has 72 divisors (see below), whose sum is σ = 2701356840936. Its totient is φ = 267476905920.

The previous prime is 1004253101459. The next prime is 1004253101573. The reversal of 1004253101550 is 551013524001.

1004253101550 is a `hidden beast` number, since 1 + 0 + 0 + 4 + 2 + 5 + 3 + 101 + 550 = 666.

It is a super-2 number, since 2×1004253101550² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 977109 + ... + 1721408.

It is an arithmetic number, because the mean of its divisors is an integer number (37518845013).

Almost surely, 2^{1004253101550} is an apocalyptic number.

1004253101550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1004253101550 is an abundant number, since it is smaller than the sum of its proper divisors (1697103739386).

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

1004253101550 is a wasteful number, since it uses less digits than its factorization.

1004253101550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2699362 (or 2699354 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 1004253101550 its reverse (551013524001), we get a palindrome (1555266625551).

The spelling of 1004253101550 in words is "one trillion, four billion, two hundred fifty-three million, one hundred one thousand, five hundred fifty".