2500000111101 has 32 divisors (see below), whose sum is σ = 3454283802240. Its totient is φ = 1607274656000.

The previous prime is 2500000111099. The next prime is 2500000111109. The reversal of 2500000111101 is 1011110000052.

It is a cyclic number.

It is not a de Polignac number, because 2500000111101 - 2¹ = 2500000111099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500000111109) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 86487751 + ... + 86516651.

It is an arithmetic number, because the mean of its divisors is an integer number (107946368820).

Almost surely, 2^{2500000111101} is an apocalyptic number.

It is an amenable number.

2500000111101 is a deficient number, since it is larger than the sum of its proper divisors (954283691139).

2500000111101 is a wasteful number, since it uses less digits than its factorization.

2500000111101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38237.

The product of its (nonzero) digits is 10, while the sum is 12.

Adding to 2500000111101 its reverse (1011110000052), we get a palindrome (3511110111153).

The spelling of 2500000111101 in words is "two trillion, five hundred billion, one hundred eleven thousand, one hundred one".