155082555001 has 4 divisors (see below), whose sum is σ = 169180969104. Its totient is φ = 140984140900.

The previous prime is 155082554993. The next prime is 155082555013. The reversal of 155082555001 is 100555280551.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 155082555001 - 2³ = 155082554993 is a prime.

It is a super-2 number, since 2×155082555001² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155082555071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7049207035 + ... + 7049207056.

It is an arithmetic number, because the mean of its divisors is an integer number (42295242276).

Almost surely, 2^155082555001 is an apocalyptic number.

155082555001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

155082555001 is a deficient number, since it is larger than the sum of its proper divisors (14098414103).

155082555001 is a wasteful number, since it uses less digits than its factorization.

155082555001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14098414102.

The product of its (nonzero) digits is 50000, while the sum is 37.

The spelling of 155082555001 in words is "one hundred fifty-five billion, eighty-two million, five hundred fifty-five thousand, one".