1143521011546 has 8 divisors (see below), whose sum is σ = 1770613179264. Its totient is φ = 553316618460.

The previous prime is 1143521011517. The next prime is 1143521011553. The reversal of 1143521011546 is 6451101253411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1143521011546³ (a number of 37 digits) contains 333 as substring.

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, 9221943580 + ... + 9221943703.

It is an arithmetic number, because the mean of its divisors is an integer number (221326647408).

Almost surely, 2^{1143521011546} is an apocalyptic number.

1143521011546 is a deficient number, since it is larger than the sum of its proper divisors (627092167718).

1143521011546 is a wasteful number, since it uses less digits than its factorization.

1143521011546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18443887316.

The product of its (nonzero) digits is 14400, while the sum is 34.

Adding to 1143521011546 its reverse (6451101253411), we get a palindrome (7594622264957).

The spelling of 1143521011546 in words is "one trillion, one hundred forty-three billion, five hundred twenty-one million, eleven thousand, five hundred forty-six".