143880056961 has 4 divisors (see below), whose sum is σ = 191840075952. Its totient is φ = 95920037972.

The previous prime is 143880056953. The next prime is 143880056987. The reversal of 143880056961 is 169650088341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 143880056961 - 2³ = 143880056953 is a prime.

It is a super-2 number, since 2×143880056961² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (143880056911) 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, 23980009491 + ... + 23980009496.

It is an arithmetic number, because the mean of its divisors is an integer number (47960018988).

Almost surely, 2^143880056961 is an apocalyptic number.

It is an amenable number.

143880056961 is a deficient number, since it is larger than the sum of its proper divisors (47960018991).

143880056961 is an equidigital number, since it uses as much as digits as its factorization.

143880056961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47960018990.

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 143880056961 in words is "one hundred forty-three billion, eight hundred eighty million, fifty-six thousand, nine hundred sixty-one".