11621250641263 has 4 divisors (see below), whose sum is σ = 11768355079840. Its totient is φ = 11474146202688.

The previous prime is 11621250641251. The next prime is 11621250641279. The reversal of 11621250641263 is 36214605212611.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11621250641263 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 (11621250641213) 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, 73552219170 + ... + 73552219327.

It is an arithmetic number, because the mean of its divisors is an integer number (2942088769960).

Almost surely, 2^{11621250641263} is an apocalyptic number.

11621250641263 is a deficient number, since it is larger than the sum of its proper divisors (147104438577).

11621250641263 is an equidigital number, since it uses as much as digits as its factorization.

11621250641263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147104438576.

The product of its (nonzero) digits is 103680, while the sum is 40.

Adding to 11621250641263 its reverse (36214605212611), we get a palindrome (47835855853874).

The spelling of 11621250641263 in words is "eleven trillion, six hundred twenty-one billion, two hundred fifty million, six hundred forty-one thousand, two hundred sixty-three".