155255115254 has 4 divisors (see below), whose sum is σ = 232882672884. Its totient is φ = 77627557626.

The previous prime is 155255115247. The next prime is 155255115271. The reversal of 155255115254 is 452511552551.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 452511552551 = 322139 ⋅1404709.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38813778812 + ... + 38813778815.

It is an arithmetic number, because the mean of its divisors is an integer number (58220668221).

Almost surely, 2^155255115254 is an apocalyptic number.

155255115254 is a deficient number, since it is larger than the sum of its proper divisors (77627557630).

155255115254 is an equidigital number, since it uses as much as digits as its factorization.

155255115254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77627557629.

The product of its digits is 250000, while the sum is 41.

The spelling of 155255115254 in words is "one hundred fifty-five billion, two hundred fifty-five million, one hundred fifteen thousand, two hundred fifty-four".