11550401046 has 12 divisors (see below), whose sum is σ = 25025868972. Its totient is φ = 3850133676.

The previous prime is 11550401041. The next prime is 11550401063. The reversal of 11550401046 is 64010405511.

11550401046 is a `hidden beast` number, since 1 + 1 + 550 + 4 + 0 + 104 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11550401041) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 320844456 + ... + 320844491.

It is an arithmetic number, because the mean of its divisors is an integer number (2085489081).

Almost surely, 2^11550401046 is an apocalyptic number.

11550401046 is an abundant number, since it is smaller than the sum of its proper divisors (13475467926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11550401046 is a wasteful number, since it uses less digits than its factorization.

11550401046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641688955 (or 641688952 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 11550401046 its reverse (64010405511), we get a palindrome (75560806557).

The spelling of 11550401046 in words is "eleven billion, five hundred fifty million, four hundred one thousand, forty-six".