155002005211 has 8 divisors (see below), whose sum is σ = 156971326304. Its totient is φ = 153041616000.

The previous prime is 155002005209. The next prime is 155002005253. The reversal of 155002005211 is 112500200551.

It is a happy number.

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 155002005211 - 2¹ = 155002005209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155002015211) 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, 2198040 + ... + 2267461.

It is an arithmetic number, because the mean of its divisors is an integer number (19621415788).

Almost surely, 2^155002005211 is an apocalyptic number.

155002005211 is a deficient number, since it is larger than the sum of its proper divisors (1969321093).

155002005211 is a wasteful number, since it uses less digits than its factorization.

155002005211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4465941.

The product of its (nonzero) digits is 500, while the sum is 22.

Adding to 155002005211 its reverse (112500200551), we get a palindrome (267502205762).

The spelling of 155002005211 in words is "one hundred fifty-five billion, two million, five thousand, two hundred eleven".