4001051145577 has 4 divisors (see below), whose sum is σ = 4001064668416. Its totient is φ = 4001037622740.

The previous prime is 4001051145571. The next prime is 4001051145653. The reversal of 4001051145577 is 7755411501004.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4001051145577 - 2³⁵ = 3966691407209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4001051145571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6307449 + ... + 6912742.

It is an arithmetic number, because the mean of its divisors is an integer number (1000266167104).

Almost surely, 2^{4001051145577} is an apocalyptic number.

It is an amenable number.

4001051145577 is a deficient number, since it is larger than the sum of its proper divisors (13522839).

4001051145577 is a wasteful number, since it uses less digits than its factorization.

4001051145577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13522838.

The product of its (nonzero) digits is 98000, while the sum is 40.

The spelling of 4001051145577 in words is "four trillion, one billion, fifty-one million, one hundred forty-five thousand, five hundred seventy-seven".