1040545616251 has 16 divisors (see below), whose sum is σ = 1111383187200. Its totient is φ = 972052099200.

The previous prime is 1040545616219. The next prime is 1040545616281. The reversal of 1040545616251 is 1526165450401.

1040545616251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1040545616251 - 2⁵ = 1040545616219 is a prime.

It is a super-3 number, since 3×1040545616251³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040545616281) 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, 4250985 + ... + 4489093.

It is an arithmetic number, because the mean of its divisors is an integer number (69461449200).

Almost surely, 2^{1040545616251} is an apocalyptic number.

1040545616251 is a deficient number, since it is larger than the sum of its proper divisors (70837570949).

1040545616251 is a wasteful number, since it uses less digits than its factorization.

1040545616251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243030.

The product of its (nonzero) digits is 144000, while the sum is 40.

The spelling of 1040545616251 in words is "one trillion, forty billion, five hundred forty-five million, six hundred sixteen thousand, two hundred fifty-one".