2155541002 has 8 divisors (see below), whose sum is σ = 3373890336. Its totient is φ = 1030910892.

The previous prime is 2155540999. The next prime is 2155541033. The reversal of 2155541002 is 2001455512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2155541002² = 9292714022606328008, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23429748 + ... + 23429839.

It is an arithmetic number, because the mean of its divisors is an integer number (421736292).

Almost surely, 2^2155541002 is an apocalyptic number.

2155541002 is a deficient number, since it is larger than the sum of its proper divisors (1218349334).

2155541002 is a wasteful number, since it uses less digits than its factorization.

2155541002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46859612.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 2155541002 is about 46427.8041910233. The cubic root of 2155541002 is about 1291.7706993854.

Adding to 2155541002 its reverse (2001455512), we get a palindrome (4156996514).

The spelling of 2155541002 in words is "two billion, one hundred fifty-five million, five hundred forty-one thousand, two".