10401155 has 4 divisors (see below), whose sum is σ = 12481392. Its totient is φ = 8320920.

The previous prime is 10401137. The next prime is 10401187. The reversal of 10401155 is 55110401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55110401 = 73 ⋅754937.

It is a de Polignac number, because none of the positive numbers 2^k-10401155 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 1040111 + ... + 1040120.

It is an arithmetic number, because the mean of its divisors is an integer number (3120348).

Almost surely, 2^10401155 is an apocalyptic number.

10401155 is a deficient number, since it is larger than the sum of its proper divisors (2080237).

10401155 is an equidigital number, since it uses as much as digits as its factorization.

10401155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080236.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 10401155 is about 3225.0821694958. The cubic root of 10401155 is about 218.2866568181.

Adding to 10401155 its reverse (55110401), we get a palindrome (65511556).

The spelling of 10401155 in words is "ten million, four hundred one thousand, one hundred fifty-five".