11002402047 has 32 divisors (see below), whose sum is σ = 18065152000. Its totient is φ = 5800273920.

The previous prime is 11002402043. The next prime is 11002402079. The reversal of 11002402047 is 74020420011.

It is a happy number.

It is not a de Polignac number, because 11002402047 - 2² = 11002402043 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002402043) 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, 535647 + ... + 555807.

It is an arithmetic number, because the mean of its divisors is an integer number (564536000).

Almost surely, 2^11002402047 is an apocalyptic number.

11002402047 is a deficient number, since it is larger than the sum of its proper divisors (7062749953).

11002402047 is a wasteful number, since it uses less digits than its factorization.

11002402047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22183.

The product of its (nonzero) digits is 448, while the sum is 21.

Adding to 11002402047 its reverse (74020420011), we get a palindrome (85022822058).

The spelling of 11002402047 in words is "eleven billion, two million, four hundred two thousand, forty-seven".