11351621050 has 72 divisors (see below), whose sum is σ = 26523489888. Its totient is φ = 3538154400.

The previous prime is 11351621023. The next prime is 11351621051. The reversal of 11351621050 is 5012615311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (11351621051) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 91672 + ... + 176371.

It is an arithmetic number, because the mean of its divisors is an integer number (368381804).

Almost surely, 2^11351621050 is an apocalyptic number.

11351621050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11351621050 is an abundant number, since it is smaller than the sum of its proper divisors (15171868838).

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

11351621050 is a wasteful number, since it uses less digits than its factorization.

11351621050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268084 (or 268068 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

The spelling of 11351621050 in words is "eleven billion, three hundred fifty-one million, six hundred twenty-one thousand, fifty".