11257502101 has 4 divisors (see below), whose sum is σ = 11257788652. Its totient is φ = 11257215552.

The previous prime is 11257502077. The next prime is 11257502149. The reversal of 11257502101 is 10120575211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1486179601 + 9771322500 = 38551^2 + 98850^2 .

It is a cyclic number.

It is not a de Polignac number, because 11257502101 - 2¹⁹ = 11256977813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11257502171) 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 3 ways as a sum of consecutive naturals, for example, 72786 + ... + 166771.

It is an arithmetic number, because the mean of its divisors is an integer number (2814447163).

Almost surely, 2^11257502101 is an apocalyptic number.

It is an amenable number.

11257502101 is a deficient number, since it is larger than the sum of its proper divisors (286551).

11257502101 is an equidigital number, since it uses as much as digits as its factorization.

11257502101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286550.

The product of its (nonzero) digits is 700, while the sum is 25.

The spelling of 11257502101 in words is "eleven billion, two hundred fifty-seven million, five hundred two thousand, one hundred one".