1071157895623 has 4 divisors (see below), whose sum is σ = 1071168421360. Its totient is φ = 1071147369888.

The previous prime is 1071157895617. The next prime is 1071157895651. The reversal of 1071157895623 is 3265987511701.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1071157895623 - 2³⁷ = 933718942151 is a prime.

It is a super-2 number, since 2×1071157895623² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071157895603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5108715 + ... + 5314252.

It is an arithmetic number, because the mean of its divisors is an integer number (267792105340).

Almost surely, 2^{1071157895623} is an apocalyptic number.

1071157895623 is a deficient number, since it is larger than the sum of its proper divisors (10525737).

1071157895623 is a wasteful number, since it uses less digits than its factorization.

1071157895623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10525736.

The product of its (nonzero) digits is 3175200, while the sum is 55.

The spelling of 1071157895623 in words is "one trillion, seventy-one billion, one hundred fifty-seven million, eight hundred ninety-five thousand, six hundred twenty-three".