1071111011157 has 48 divisors (see below), whose sum is σ = 1784765899840. Its totient is φ = 634061403360.

The previous prime is 1071111011147. The next prime is 1071111011167. The reversal of 1071111011157 is 7511101111701.

It is an interprime number because it is at equal distance from previous prime (1071111011147) and next prime (1071111011167).

It is not a de Polignac number, because 1071111011157 - 2¹¹ = 1071111009109 is a prime.

It is a super-2 number, since 2×1071111011157² (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 self number, because there is not a number n which added to its sum of digits gives 1071111011157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071111011147) 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 47 ways as a sum of consecutive naturals, for example, 3671818 + ... + 3952779.

Almost surely, 2^{1071111011157} is an apocalyptic number.

It is an amenable number.

1071111011157 is a deficient number, since it is larger than the sum of its proper divisors (713654888683).

1071111011157 is a wasteful number, since it uses less digits than its factorization.

1071111011157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7624671 (or 7624654 counting only the distinct ones).

The product of its (nonzero) digits is 245, while the sum is 27.

Adding to 1071111011157 its reverse (7511101111701), we get a palindrome (8582212122858).

The spelling of 1071111011157 in words is "one trillion, seventy-one billion, one hundred eleven million, eleven thousand, one hundred fifty-seven".