155153434013 has 4 divisors (see below), whose sum is σ = 164280106620. Its totient is φ = 146026761408.

The previous prime is 155153434003. The next prime is 155153434021. The reversal of 155153434013 is 310434351551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310434351551 = 418343 ⋅742057.

It can be written as a sum of positive squares in 2 ways, for example, as 131191013209 + 23962420804 = 362203^2 + 154798^2 .

It is a cyclic number.

It is not a de Polignac number, because 155153434013 - 2⁴ = 155153433997 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 (155153434003) 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, 4563336278 + ... + 4563336311.

It is an arithmetic number, because the mean of its divisors is an integer number (41070026655).

Almost surely, 2^155153434013 is an apocalyptic number.

It is an amenable number.

155153434013 is a deficient number, since it is larger than the sum of its proper divisors (9126672607).

155153434013 is an equidigital number, since it uses as much as digits as its factorization.

155153434013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9126672606.

The product of its (nonzero) digits is 54000, while the sum is 35.

Adding to 155153434013 its reverse (310434351551), we get a palindrome (465587785564).

The spelling of 155153434013 in words is "one hundred fifty-five billion, one hundred fifty-three million, four hundred thirty-four thousand, thirteen".