2141550155 has 4 divisors (see below), whose sum is σ = 2569860192. Its totient is φ = 1713240120.

The previous prime is 2141550143. The next prime is 2141550221. The reversal of 2141550155 is 5510551412.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2141550155 - 2²⁰ = 2140501579 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214155011 + ... + 214155020.

It is an arithmetic number, because the mean of its divisors is an integer number (642465048).

Almost surely, 2^2141550155 is an apocalyptic number.

2141550155 is a deficient number, since it is larger than the sum of its proper divisors (428310037).

2141550155 is an equidigital number, since it uses as much as digits as its factorization.

2141550155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428310036.

The product of its (nonzero) digits is 5000, while the sum is 29.

The square root of 2141550155 is about 46276.8857530409. The cubic root of 2141550155 is about 1288.9698233283.

The spelling of 2141550155 in words is "two billion, one hundred forty-one million, five hundred fifty thousand, one hundred fifty-five".