1071181620485 has 16 divisors (see below), whose sum is σ = 1295333709120. Its totient is φ = 850335832320.

The previous prime is 1071181620407. The next prime is 1071181620493. The reversal of 1071181620485 is 5840261811701.

It is a happy number.

It is not a de Polignac number, because 1071181620485 - 2¹⁸ = 1071181358341 is a prime.

It is a super-2 number, since 2×1071181620485² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9133346 + ... + 9249884.

It is an arithmetic number, because the mean of its divisors is an integer number (80958356820).

Almost surely, 2^{1071181620485} is an apocalyptic number.

It is an amenable number.

1071181620485 is a deficient number, since it is larger than the sum of its proper divisors (224152088635).

1071181620485 is a wasteful number, since it uses less digits than its factorization.

1071181620485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130708.

The product of its (nonzero) digits is 107520, while the sum is 44.

The spelling of 1071181620485 in words is "one trillion, seventy-one billion, one hundred eighty-one million, six hundred twenty thousand, four hundred eighty-five".