1543551141040 has 20 divisors (see below), whose sum is σ = 3588756403104. Its totient is φ = 617420456384.

The previous prime is 1543551140917. The next prime is 1543551141053. The reversal of 1543551141040 is 401411553451.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 1543551140987 and 1543551141005.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9647194552 + ... + 9647194711.

Almost surely, 2^{1543551141040} is an apocalyptic number.

1543551141040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1543551141040 is an abundant number, since it is smaller than the sum of its proper divisors (2045205262064).

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

1543551141040 is a wasteful number, since it uses less digits than its factorization.

1543551141040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19294389276 (or 19294389270 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

Adding to 1543551141040 its reverse (401411553451), we get a palindrome (1944962694491).

The spelling of 1543551141040 in words is "one trillion, five hundred forty-three billion, five hundred fifty-one million, one hundred forty-one thousand, forty".