155134255502 has 4 divisors (see below), whose sum is σ = 232701383256. Its totient is φ = 77567127750.

The previous prime is 155134255439. The next prime is 155134255511. The reversal of 155134255502 is 205552431551.

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

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, 38783563874 + ... + 38783563877.

It is an arithmetic number, because the mean of its divisors is an integer number (58175345814).

Almost surely, 2^155134255502 is an apocalyptic number.

155134255502 is a deficient number, since it is larger than the sum of its proper divisors (77567127754).

155134255502 is an equidigital number, since it uses as much as digits as its factorization.

155134255502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77567127753.

The product of its (nonzero) digits is 150000, while the sum is 38.

The spelling of 155134255502 in words is "one hundred fifty-five billion, one hundred thirty-four million, two hundred fifty-five thousand, five hundred two".