155542514119 has 4 divisors (see below), whose sum is σ = 156004064944. Its totient is φ = 155080963296.

The previous prime is 155542514111. The next prime is 155542514123. The reversal of 155542514119 is 911415245551.

155542514119 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 155542514119 - 2³ = 155542514111 is a prime.

It is a super-2 number, since 2×155542514119² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155542514111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230774907 + ... + 230775580.

It is an arithmetic number, because the mean of its divisors is an integer number (39001016236).

Almost surely, 2^155542514119 is an apocalyptic number.

155542514119 is a deficient number, since it is larger than the sum of its proper divisors (461550825).

155542514119 is an equidigital number, since it uses as much as digits as its factorization.

155542514119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461550824.

The product of its digits is 180000, while the sum is 43.

The spelling of 155542514119 in words is "one hundred fifty-five billion, five hundred forty-two million, five hundred fourteen thousand, one hundred nineteen".