1143497352550 has 48 divisors (see below), whose sum is σ = 2573733886560. Its totient is φ = 368994101760.

The previous prime is 1143497352527. The next prime is 1143497352551. The reversal of 1143497352550 is 552537943411.

It is a junction number, because it is equal to n+sod(n) for n = 1143497352494 and 1143497352503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143497352551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96086265 + ... + 96098164.

It is an arithmetic number, because the mean of its divisors is an integer number (53619455970).

Almost surely, 2^{1143497352550} is an apocalyptic number.

1143497352550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1143497352550 is an abundant number, since it is smaller than the sum of its proper divisors (1430236534010).

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

1143497352550 is a wasteful number, since it uses less digits than its factorization.

1143497352550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192184465 (or 192184460 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 49.

The spelling of 1143497352550 in words is "one trillion, one hundred forty-three billion, four hundred ninety-seven million, three hundred fifty-two thousand, five hundred fifty".