143166056004551 has 4 divisors (see below), whose sum is σ = 143166996782472. Its totient is φ = 143165115226632.

The previous prime is 143166056004547. The next prime is 143166056004583. The reversal of 143166056004551 is 155400650661341.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 143166056004551 - 2² = 143166056004547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143166056004496 and 143166056004505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143166056004151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470160656 + ... + 470465061.

It is an arithmetic number, because the mean of its divisors is an integer number (35791749195618).

Almost surely, 2^{143166056004551} is an apocalyptic number.

143166056004551 is a deficient number, since it is larger than the sum of its proper divisors (940777921).

143166056004551 is an equidigital number, since it uses as much as digits as its factorization.

143166056004551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940777920.

The product of its (nonzero) digits is 1296000, while the sum is 47.

The spelling of 143166056004551 in words is "one hundred forty-three trillion, one hundred sixty-six billion, fifty-six million, four thousand, five hundred fifty-one".