155324142311 has 4 divisors (see below), whose sum is σ = 167272153272. Its totient is φ = 143376131352.

The previous prime is 155324142277. The next prime is 155324142319. The reversal of 155324142311 is 113241423551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113241423551 = 207619 ⋅545429.

It is a cyclic number.

It is not a de Polignac number, because 155324142311 - 2⁶ = 155324142247 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 (155324142319) 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, 5974005461 + ... + 5974005486.

It is an arithmetic number, because the mean of its divisors is an integer number (41818038318).

Almost surely, 2^155324142311 is an apocalyptic number.

155324142311 is a deficient number, since it is larger than the sum of its proper divisors (11948010961).

155324142311 is a wasteful number, since it uses less digits than its factorization.

155324142311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11948010960.

The product of its digits is 14400, while the sum is 32.

Adding to 155324142311 its reverse (113241423551), we get a palindrome (268565565862).

The spelling of 155324142311 in words is "one hundred fifty-five billion, three hundred twenty-four million, one hundred forty-two thousand, three hundred eleven".