155065010501001 has 16 divisors (see below), whose sum is σ = 211562057448896. Its totient is φ = 100972329808896.

The previous prime is 155065010500919. The next prime is 155065010501101. The reversal of 155065010501001 is 100105010560551.

155065010501001 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 155065010501001 - 2¹³ = 155065010492809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 155065010501001.

It is not an unprimeable number, because it can be changed into a prime (155065010501101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67172121 + ... + 69442233.

It is an arithmetic number, because the mean of its divisors is an integer number (13222628590556).

Almost surely, 2^{155065010501001} is an apocalyptic number.

It is an amenable number.

155065010501001 is a deficient number, since it is larger than the sum of its proper divisors (56497046947895).

155065010501001 is a wasteful number, since it uses less digits than its factorization.

155065010501001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2799672.

The product of its (nonzero) digits is 3750, while the sum is 30.

The spelling of 155065010501001 in words is "one hundred fifty-five trillion, sixty-five billion, ten million, five hundred one thousand, one".