2500116121 has 8 divisors (see below), whose sum is σ = 2658834080. Its totient is φ = 2344111488.

The previous prime is 2500116119. The next prime is 2500116137. The reversal of 2500116121 is 1216110052.

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 2500116121 - 2¹ = 2500116119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2500116161) 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, 676431 + ... + 680116.

It is an arithmetic number, because the mean of its divisors is an integer number (332354260).

Almost surely, 2^2500116121 is an apocalyptic number.

It is an amenable number.

2500116121 is a deficient number, since it is larger than the sum of its proper divisors (158717959).

2500116121 is a wasteful number, since it uses less digits than its factorization.

2500116121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356663.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 2500116121 is about 50001.1611965162. The cubic root of 2500116121 is about 1357.2298213647.

Adding to 2500116121 its reverse (1216110052), we get a palindrome (3716226173).

The spelling of 2500116121 in words is "two billion, five hundred million, one hundred sixteen thousand, one hundred twenty-one".