155034113054521 has 8 divisors (see below), whose sum is σ = 155207637438464. Its totient is φ = 154860645471840.

The previous prime is 155034113054501. The next prime is 155034113054549. The reversal of 155034113054521 is 125450311430551.

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

It is a cyclic number.

It is not a de Polignac number, because 155034113054521 - 2³⁷ = 154896674101049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155034113054501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8737260 + ... + 19657261.

It is an arithmetic number, because the mean of its divisors is an integer number (19400954679808).

Almost surely, 2^{155034113054521} is an apocalyptic number.

It is an amenable number.

155034113054521 is a deficient number, since it is larger than the sum of its proper divisors (173524383943).

155034113054521 is a wasteful number, since it uses less digits than its factorization.

155034113054521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28400631.

The product of its (nonzero) digits is 180000, while the sum is 40.

The spelling of 155034113054521 in words is "one hundred fifty-five trillion, thirty-four billion, one hundred thirteen million, fifty-four thousand, five hundred twenty-one".