11450616261 has 32 divisors (see below), whose sum is σ = 17711920128. Its totient is φ = 6444696960.

The previous prime is 11450616259. The next prime is 11450616269. The reversal of 11450616261 is 16261605411.

It is not a de Polignac number, because 11450616261 - 2¹ = 11450616259 is a prime.

It is a super-2 number, since 2×11450616261² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11450616269) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1201726 + ... + 1211216.

It is an arithmetic number, because the mean of its divisors is an integer number (553497504).

Almost surely, 2^11450616261 is an apocalyptic number.

It is an amenable number.

11450616261 is a deficient number, since it is larger than the sum of its proper divisors (6261303867).

11450616261 is an equidigital number, since it uses as much as digits as its factorization.

11450616261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10361.

The product of its (nonzero) digits is 8640, while the sum is 33.

The spelling of 11450616261 in words is "eleven billion, four hundred fifty million, six hundred sixteen thousand, two hundred sixty-one".