2615420251100 has 18 divisors (see below), whose sum is σ = 5675461945104. Its totient is φ = 1046168100400.

The previous prime is 2615420251097. The next prime is 2615420251159. The reversal of 2615420251100 is 11520245162.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13077101156 + ... + 13077101355.

Almost surely, 2^{2615420251100} is an apocalyptic number.

2615420251100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2615420251100 is an abundant number, since it is smaller than the sum of its proper divisors (3060041694004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2615420251100 is a wasteful number, since it uses less digits than its factorization.

2615420251100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26154202525 (or 26154202518 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 2615420251100 its reverse (11520245162), we get a palindrome (2626940496262).

The spelling of 2615420251100 in words is "two trillion, six hundred fifteen billion, four hundred twenty million, two hundred fifty-one thousand, one hundred".