2155411430 has 8 divisors (see below), whose sum is σ = 3879740592. Its totient is φ = 862164568.

The previous prime is 2155411411. The next prime is 2155411439. The reversal of 2155411430 is 341145512.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2155411430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155411439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107770562 + ... + 107770581.

It is an arithmetic number, because the mean of its divisors is an integer number (484967574).

Almost surely, 2^2155411430 is an apocalyptic number.

2155411430 is a deficient number, since it is larger than the sum of its proper divisors (1724329162).

2155411430 is a wasteful number, since it uses less digits than its factorization.

2155411430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215541150.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 2155411430 is about 46426.4087562241. The cubic root of 2155411430 is about 1291.7448156024.

Adding to 2155411430 its reverse (341145512), we get a palindrome (2496556942).

The spelling of 2155411430 in words is "two billion, one hundred fifty-five million, four hundred eleven thousand, four hundred thirty".