155111650145545 has 8 divisors (see below), whose sum is σ = 186134049618624. Its totient is φ = 124089273820464.

The previous prime is 155111650145509. The next prime is 155111650145549. The reversal of 155111650145545 is 545541056111551.

155111650145545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 155111650145545 - 2¹⁷ = 155111650014473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155111650145549) 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, 17402802 + ... + 24760468.

It is an arithmetic number, because the mean of its divisors is an integer number (23266756202328).

Almost surely, 2^{155111650145545} is an apocalyptic number.

It is an amenable number.

155111650145545 is a deficient number, since it is larger than the sum of its proper divisors (31022399473079).

155111650145545 is an equidigital number, since it uses as much as digits as its factorization.

155111650145545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11573999.

The product of its (nonzero) digits is 1500000, while the sum is 49.

The spelling of 155111650145545 in words is "one hundred fifty-five trillion, one hundred eleven billion, six hundred fifty million, one hundred forty-five thousand, five hundred forty-five".