4078956001081 has 16 divisors (see below), whose sum is σ = 4442267324880. Its totient is φ = 3722824339200.

The previous prime is 4078956001079. The next prime is 4078956001097. The reversal of 4078956001081 is 1801006598704.

It can be written as a sum of positive squares in 8 ways, for example, as 75355191081 + 4003600810000 = 274509^2 + 2000900^2 .

It is a cyclic number.

It is not a de Polignac number, because 4078956001081 - 2¹ = 4078956001079 is a prime.

It is a super-2 number, since 2×4078956001081² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4078956001781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1156666 + ... + 3081523.

It is an arithmetic number, because the mean of its divisors is an integer number (277641707805).

Almost surely, 2^{4078956001081} is an apocalyptic number.

It is an amenable number.

4078956001081 is a deficient number, since it is larger than the sum of its proper divisors (363311323799).

4078956001081 is a wasteful number, since it uses less digits than its factorization.

4078956001081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4239036.

The product of its (nonzero) digits is 483840, while the sum is 49.

The spelling of 4078956001081 in words is "four trillion, seventy-eight billion, nine hundred fifty-six million, one thousand, eighty-one".