155632081211 has 8 divisors (see below), whose sum is σ = 163958323920. Its totient is φ = 147319346592.

The previous prime is 155632081201. The next prime is 155632081217. The reversal of 155632081211 is 112180236551.

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 155632081211 - 2⁶ = 155632081147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155632081217) 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, 3353360 + ... + 3399453.

It is an arithmetic number, because the mean of its divisors is an integer number (20494790490).

Almost surely, 2^155632081211 is an apocalyptic number.

155632081211 is a deficient number, since it is larger than the sum of its proper divisors (8326242709).

155632081211 is a wasteful number, since it uses less digits than its factorization.

155632081211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6754045.

The product of its (nonzero) digits is 14400, while the sum is 35.

The spelling of 155632081211 in words is "one hundred fifty-five billion, six hundred thirty-two million, eighty-one thousand, two hundred eleven".