11355412550 has 24 divisors (see below), whose sum is σ = 21849382800. Its totient is φ = 4385538080.

The previous prime is 11355412543. The next prime is 11355412559. The reversal of 11355412550 is 5521455311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11355412559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3914210 + ... + 3917109.

It is an arithmetic number, because the mean of its divisors is an integer number (910390950).

Almost surely, 2^11355412550 is an apocalyptic number.

11355412550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11355412550 is a deficient number, since it is larger than the sum of its proper divisors (10493970250).

11355412550 is a wasteful number, since it uses less digits than its factorization.

11355412550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7831360 (or 7831355 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

Adding to 11355412550 its reverse (5521455311), we get a palindrome (16876867861).

The spelling of 11355412550 in words is "eleven billion, three hundred fifty-five million, four hundred twelve thousand, five hundred fifty".