155350554311 has 4 divisors (see below), whose sum is σ = 156047193792. Its totient is φ = 154653914832.

The previous prime is 155350554299. The next prime is 155350554313. The reversal of 155350554311 is 113455053551.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-155350554311 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 (155350554313) 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, 348319406 + ... + 348319851.

It is an arithmetic number, because the mean of its divisors is an integer number (39011798448).

Almost surely, 2^155350554311 is an apocalyptic number.

155350554311 is a deficient number, since it is larger than the sum of its proper divisors (696639481).

155350554311 is an equidigital number, since it uses as much as digits as its factorization.

155350554311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696639480.

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 155350554311 in words is "one hundred fifty-five billion, three hundred fifty million, five hundred fifty-four thousand, three hundred eleven".