1040256545151 has 16 divisors (see below), whose sum is σ = 1404954639360. Its totient is φ = 684536268000.

The previous prime is 1040256545149. The next prime is 1040256545183. The reversal of 1040256545151 is 1515456520401.

It is not a de Polignac number, because 1040256545151 - 2¹ = 1040256545149 is a prime.

It is a super-2 number, since 2×1040256545151² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040256545351) 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 15 ways as a sum of consecutive naturals, for example, 252901 + ... + 1464401.

It is an arithmetic number, because the mean of its divisors is an integer number (87809664960).

Almost surely, 2^{1040256545151} is an apocalyptic number.

1040256545151 is a deficient number, since it is larger than the sum of its proper divisors (364698094209).

1040256545151 is a wasteful number, since it uses less digits than its factorization.

1040256545151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215206.

The product of its (nonzero) digits is 120000, while the sum is 39.

The spelling of 1040256545151 in words is "one trillion, forty billion, two hundred fifty-six million, five hundred forty-five thousand, one hundred fifty-one".