11550540417 has 48 divisors (see below), whose sum is σ = 17258978880. Its totient is φ = 6863560704.

The previous prime is 11550540383. The next prime is 11550540433. The reversal of 11550540417 is 71404505511.

It is not a de Polignac number, because 11550540417 - 2⁷ = 11550540289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11550540437) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1937313 + ... + 1943265.

It is an arithmetic number, because the mean of its divisors is an integer number (359562060).

Almost surely, 2^11550540417 is an apocalyptic number.

It is an amenable number.

11550540417 is a deficient number, since it is larger than the sum of its proper divisors (5708438463).

11550540417 is a wasteful number, since it uses less digits than its factorization.

11550540417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6114 (or 6101 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 33.

The spelling of 11550540417 in words is "eleven billion, five hundred fifty million, five hundred forty thousand, four hundred seventeen".