155255552422 has 8 divisors (see below), whose sum is σ = 237838293216. Its totient is φ = 75976121352.

The previous prime is 155255552393. The next prime is 155255552471. The reversal of 155255552422 is 224255552551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 825827313 + ... + 825827500.

It is an arithmetic number, because the mean of its divisors is an integer number (29729786652).

Almost surely, 2^155255552422 is an apocalyptic number.

155255552422 is a deficient number, since it is larger than the sum of its proper divisors (82582740794).

155255552422 is a wasteful number, since it uses less digits than its factorization.

155255552422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651654862.

The product of its digits is 1000000, while the sum is 43.

The spelling of 155255552422 in words is "one hundred fifty-five billion, two hundred fifty-five million, five hundred fifty-two thousand, four hundred twenty-two".