1071481531490 has 16 divisors (see below), whose sum is σ = 1975707410040. Its totient is φ = 418139134080.

The previous prime is 1071481531481. The next prime is 1071481531499. The reversal of 1071481531490 is 941351841701.

It is an interprime number because it is at equal distance from previous prime (1071481531481) and next prime (1071481531499).

It can be written as a sum of positive squares in 4 ways, for example, as 252306294601 + 819175236889 = 502301^2 + 905083^2 .

It is a super-2 number, since 2×1071481531490² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1071481531499) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1306684385 + ... + 1306685204.

Almost surely, 2^{1071481531490} is an apocalyptic number.

1071481531490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1071481531490 is a deficient number, since it is larger than the sum of its proper divisors (904225878550).

1071481531490 is a wasteful number, since it uses less digits than its factorization.

1071481531490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2613369637.

The product of its (nonzero) digits is 120960, while the sum is 44.

The spelling of 1071481531490 in words is "one trillion, seventy-one billion, four hundred eighty-one million, five hundred thirty-one thousand, four hundred ninety".