11141431550 has 24 divisors (see below), whose sum is σ = 21006947136. Its totient is φ = 4395522240.

The previous prime is 11141431549. The next prime is 11141431571. The reversal of 11141431550 is 5513414111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1522574 + ... + 1529873.

It is an arithmetic number, because the mean of its divisors is an integer number (875289464).

Almost surely, 2^11141431550 is an apocalyptic number.

11141431550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11141431550 is a deficient number, since it is larger than the sum of its proper divisors (9865515586).

11141431550 is a wasteful number, since it uses less digits than its factorization.

11141431550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3052532 (or 3052527 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 11141431550 its reverse (5513414111), we get a palindrome (16654845661).

The spelling of 11141431550 in words is "eleven billion, one hundred forty-one million, four hundred thirty-one thousand, five hundred fifty".