11405361172 has 24 divisors (see below), whose sum is σ = 20040348384. Its totient is φ = 5679587232.

The previous prime is 11405361133. The next prime is 11405361221. The reversal of 11405361172 is 27116350411.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1310098 + ... + 1318774.

It is an arithmetic number, because the mean of its divisors is an integer number (835014516).

Almost surely, 2^11405361172 is an apocalyptic number.

It is an amenable number.

11405361172 is a deficient number, since it is larger than the sum of its proper divisors (8634987212).

11405361172 is a wasteful number, since it uses less digits than its factorization.

11405361172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9975 (or 9973 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The spelling of 11405361172 in words is "eleven billion, four hundred five million, three hundred sixty-one thousand, one hundred seventy-two".