1040503320351 has 32 divisors (see below), whose sum is σ = 1682472211200. Its totient is φ = 630289067040.

The previous prime is 1040503320343. The next prime is 1040503320359. The reversal of 1040503320351 is 1530233050401.

1040503320351 is a `hidden beast` number, since 1 + 0 + 405 + 0 + 3 + 3 + 203 + 51 = 666.

It is an interprime number because it is at equal distance from previous prime (1040503320343) and next prime (1040503320359).

It is not a de Polignac number, because 1040503320351 - 2³ = 1040503320343 is a prime.

It is a super-2 number, since 2×1040503320351² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040503320359) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 297376 + ... + 1472901.

It is an arithmetic number, because the mean of its divisors is an integer number (52577256600).

Almost surely, 2^{1040503320351} is an apocalyptic number.

1040503320351 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1040503320351 is a deficient number, since it is larger than the sum of its proper divisors (641968890849).

1040503320351 is a wasteful number, since it uses less digits than its factorization.

1040503320351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1772276 (or 1772270 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 1040503320351 its reverse (1530233050401), we get a palindrome (2570736370752).

The spelling of 1040503320351 in words is "one trillion, forty billion, five hundred three million, three hundred twenty thousand, three hundred fifty-one".