11420604735 has 36 divisors (see below), whose sum is σ = 18757391256. Its totient is φ = 5933598720.

The previous prime is 11420604733. The next prime is 11420604739. The reversal of 11420604735 is 53740602411.

It is not a de Polignac number, because 11420604735 - 2¹ = 11420604733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11420604696 and 11420604705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11420604731) 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, 16969359 + ... + 16970031.

It is an arithmetic number, because the mean of its divisors is an integer number (521038646).

Almost surely, 2^11420604735 is an apocalyptic number.

11420604735 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11420604735 is a deficient number, since it is larger than the sum of its proper divisors (7336786521).

11420604735 is an frugal number, since it uses more digits than its factorization.

11420604735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436 (or 722 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 11420604735 in words is "eleven billion, four hundred twenty million, six hundred four thousand, seven hundred thirty-five".