11402400055545 has 96 divisors (see below), whose sum is σ = 20286388362240. Its totient is φ = 5921486645760.

The previous prime is 11402400055531. The next prime is 11402400055597. The reversal of 11402400055545 is 54555000420411.

11402400055545 is a `hidden beast` number, since 1 + 1 + 40 + 24 + 0 + 0 + 0 + 55 + 545 = 666.

It is not a de Polignac number, because 11402400055545 - 2¹¹ = 11402400053497 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2424492664 + ... + 2424497366.

It is an arithmetic number, because the mean of its divisors is an integer number (211316545440).

Almost surely, 2^{11402400055545} is an apocalyptic number.

11402400055545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11402400055545 is a deficient number, since it is larger than the sum of its proper divisors (8883988306695).

11402400055545 is a wasteful number, since it uses less digits than its factorization.

11402400055545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8367 (or 8364 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

Adding to 11402400055545 its reverse (54555000420411), we get a palindrome (65957400475956).

The spelling of 11402400055545 in words is "eleven trillion, four hundred two billion, four hundred million, fifty-five thousand, five hundred forty-five".