1253580400550 has 24 divisors (see below), whose sum is σ = 2333066856456. Its totient is φ = 501129512640.

The previous prime is 1253580400543. The next prime is 1253580400573. The reversal of 1253580400550 is 550040853521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7482512 + ... + 7648211.

It is an arithmetic number, because the mean of its divisors is an integer number (97211119019).

Almost surely, 2^{1253580400550} is an apocalyptic number.

1253580400550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1253580400550 is a deficient number, since it is larger than the sum of its proper divisors (1079486455906).

1253580400550 is a wasteful number, since it uses less digits than its factorization.

1253580400550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15132392 (or 15132387 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 38.

The spelling of 1253580400550 in words is "one trillion, two hundred fifty-three billion, five hundred eighty million, four hundred thousand, five hundred fifty".