155004061553256 has 32 divisors (see below), whose sum is σ = 390338695160640. Its totient is φ = 51290881680768.

The previous prime is 155004061553239. The next prime is 155004061553309. The reversal of 155004061553256 is 652355160400551.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23571173956 + ... + 23571180531.

It is an arithmetic number, because the mean of its divisors is an integer number (12198084223770).

Almost surely, 2^{155004061553256} is an apocalyptic number.

It is an amenable number.

155004061553256 is an abundant number, since it is smaller than the sum of its proper divisors (235334633607384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155004061553256 is a wasteful number, since it uses less digits than its factorization.

155004061553256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47142354633 (or 47142354629 counting only the distinct ones).

The product of its (nonzero) digits is 2700000, while the sum is 48.

The spelling of 155004061553256 in words is "one hundred fifty-five trillion, four billion, sixty-one million, five hundred fifty-three thousand, two hundred fifty-six".