11642455 has 8 divisors (see below), whose sum is σ = 15241104. Its totient is φ = 8467200.

The previous prime is 11642447. The next prime is 11642473. The reversal of 11642455 is 55424611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11642455 - 2³ = 11642447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105786 + ... + 105895.

It is an arithmetic number, because the mean of its divisors is an integer number (1905138).

Almost surely, 2^11642455 is an apocalyptic number.

11642455 is a deficient number, since it is larger than the sum of its proper divisors (3598649).

11642455 is a wasteful number, since it uses less digits than its factorization.

11642455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211697.

The product of its digits is 4800, while the sum is 28.

The square root of 11642455 is about 3412.1041894995. The cubic root of 11642455 is about 226.6460681493.

The spelling of 11642455 in words is "eleven million, six hundred forty-two thousand, four hundred fifty-five".