11001421245 has 32 divisors (see below), whose sum is σ = 18023675904. Its totient is φ = 5728564800.

The previous prime is 11001421241. The next prime is 11001421357. The reversal of 11001421245 is 54212410011.

It is not a de Polignac number, because 11001421245 - 2² = 11001421241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001421241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59550 + ... + 159840.

It is an arithmetic number, because the mean of its divisors is an integer number (563239872).

Almost surely, 2^11001421245 is an apocalyptic number.

11001421245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11001421245 is a deficient number, since it is larger than the sum of its proper divisors (7022254659).

11001421245 is a wasteful number, since it uses less digits than its factorization.

11001421245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100473.

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 11001421245 its reverse (54212410011), we get a palindrome (65213831256).

The spelling of 11001421245 in words is "eleven billion, one million, four hundred twenty-one thousand, two hundred forty-five".