11413551550 has 24 divisors (see below), whose sum is σ = 21238781256. Its totient is φ = 4563361440.

The previous prime is 11413551521. The next prime is 11413551557. The reversal of 11413551550 is 5515531411.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11413551557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63004 + ... + 163696.

It is an arithmetic number, because the mean of its divisors is an integer number (884949219).

Almost surely, 2^11413551550 is an apocalyptic number.

11413551550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11413551550 is a deficient number, since it is larger than the sum of its proper divisors (9825229706).

11413551550 is a wasteful number, since it uses less digits than its factorization.

11413551550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102972 (or 102967 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 31.

The spelling of 11413551550 in words is "eleven billion, four hundred thirteen million, five hundred fifty-one thousand, five hundred fifty".