11505400150 has 12 divisors (see below), whose sum is σ = 21400044372. Its totient is φ = 4602160040.

The previous prime is 11505400129. The next prime is 11505400169. The reversal of 11505400150 is 5100450511.

It is a happy number.

It is a super-2 number, since 2×11505400150² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 115053952 + ... + 115054051.

It is an arithmetic number, because the mean of its divisors is an integer number (1783337031).

Almost surely, 2^11505400150 is an apocalyptic number.

11505400150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11505400150 is a deficient number, since it is larger than the sum of its proper divisors (9894644222).

11505400150 is a wasteful number, since it uses less digits than its factorization.

11505400150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230108015 (or 230108010 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 22.

Adding to 11505400150 its reverse (5100450511), we get a palindrome (16605850661).

The spelling of 11505400150 in words is "eleven billion, five hundred five million, four hundred thousand, one hundred fifty".