155315321254 has 8 divisors (see below), whose sum is σ = 232992528048. Its totient is φ = 77651145240.

The previous prime is 155315321207. The next prime is 155315321299. The reversal of 155315321254 is 452123513551.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3227842 + ... + 3275605.

It is an arithmetic number, because the mean of its divisors is an integer number (29124066006).

Almost surely, 2^155315321254 is an apocalyptic number.

155315321254 is a deficient number, since it is larger than the sum of its proper divisors (77677206794).

155315321254 is a wasteful number, since it uses less digits than its factorization.

155315321254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6515390.

The product of its digits is 90000, while the sum is 37.

The spelling of 155315321254 in words is "one hundred fifty-five billion, three hundred fifteen million, three hundred twenty-one thousand, two hundred fifty-four".