144531261211 has 8 divisors (see below), whose sum is σ = 148442809664. Its totient is φ = 140619991680.

The previous prime is 144531261209. The next prime is 144531261221. The reversal of 144531261211 is 112162135441.

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

It is a cyclic number.

It is not a de Polignac number, because 144531261211 - 2¹ = 144531261209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144531261221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1386526 + ... + 1487116.

It is an arithmetic number, because the mean of its divisors is an integer number (18555351208).

Almost surely, 2^144531261211 is an apocalyptic number.

144531261211 is a deficient number, since it is larger than the sum of its proper divisors (3911548453).

144531261211 is a wasteful number, since it uses less digits than its factorization.

144531261211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139461.

The product of its digits is 5760, while the sum is 31.

Adding to 144531261211 its reverse (112162135441), we get a palindrome (256693396652).

The spelling of 144531261211 in words is "one hundred forty-four billion, five hundred thirty-one million, two hundred sixty-one thousand, two hundred eleven".