11100423402 has 24 divisors (see below), whose sum is σ = 24053180580. Its totient is φ = 3699792960.

The previous prime is 11100423359. The next prime is 11100423421. The reversal of 11100423402 is 20432400111.

It can be written as a sum of positive squares in 2 ways, for example, as 10970258121 + 130165281 = 104739^2 + 11409^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 230152 + ... + 274172.

Almost surely, 2^11100423402 is an apocalyptic number.

11100423402 is an abundant number, since it is smaller than the sum of its proper divisors (12952757178).

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

11100423402 is a wasteful number, since it uses less digits than its factorization.

11100423402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58038 (or 58035 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 11100423402 its reverse (20432400111), we get a palindrome (31532823513).

The spelling of 11100423402 in words is "eleven billion, one hundred million, four hundred twenty-three thousand, four hundred two".