2501055121 has 4 divisors (see below), whose sum is σ = 2609796672. Its totient is φ = 2392313572.

The previous prime is 2501055097. The next prime is 2501055131. The reversal of 2501055121 is 1215501052.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2501055121 - 2⁹ = 2501054609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2501055092 and 2501055101.

It is not an unprimeable number, because it can be changed into a prime (2501055131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54370741 + ... + 54370786.

It is an arithmetic number, because the mean of its divisors is an integer number (652449168).

Almost surely, 2^2501055121 is an apocalyptic number.

It is an amenable number.

2501055121 is a deficient number, since it is larger than the sum of its proper divisors (108741551).

2501055121 is a wasteful number, since it uses less digits than its factorization.

2501055121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108741550.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 2501055121 is about 50010.5500969545. The cubic root of 2501055121 is about 1357.3997173777.

Adding to 2501055121 its reverse (1215501052), we get a palindrome (3716556173).

The spelling of 2501055121 in words is "two billion, five hundred one million, fifty-five thousand, one hundred twenty-one".