11450613261 has 4 divisors (see below), whose sum is σ = 15267484352. Its totient is φ = 7633742172.

The previous prime is 11450613203. The next prime is 11450613281. The reversal of 11450613261 is 16231605411.

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 not a de Polignac number, because 11450613261 - 2¹⁰ = 11450612237 is a prime.

It is a super-2 number, since 2×11450613261² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11450613281) 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, 1908435541 + ... + 1908435546.

It is an arithmetic number, because the mean of its divisors is an integer number (3816871088).

Almost surely, 2^11450613261 is an apocalyptic number.

It is an amenable number.

11450613261 is a deficient number, since it is larger than the sum of its proper divisors (3816871091).

11450613261 is an equidigital number, since it uses as much as digits as its factorization.

11450613261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3816871090.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 11450613261 in words is "eleven billion, four hundred fifty million, six hundred thirteen thousand, two hundred sixty-one".