143920942911 has 32 divisors (see below), whose sum is σ = 225678252800. Its totient is φ = 90395183520.

The previous prime is 143920942909. The next prime is 143920942927. The reversal of 143920942911 is 119249029341.

143920942911 is a `hidden beast` number, since 1 + 4 + 3 + 9 + 209 + 429 + 11 = 666.

It is not a de Polignac number, because 143920942911 - 2¹ = 143920942909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143920942211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 682141 + ... + 867846.

It is an arithmetic number, because the mean of its divisors is an integer number (7052445400).

Almost surely, 2^143920942911 is an apocalyptic number.

143920942911 is a deficient number, since it is larger than the sum of its proper divisors (81757309889).

143920942911 is a wasteful number, since it uses less digits than its factorization.

143920942911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550196 (or 1550190 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The spelling of 143920942911 in words is "one hundred forty-three billion, nine hundred twenty million, nine hundred forty-two thousand, nine hundred eleven".