11554715071 has 2 divisors, whose sum is σ = 11554715072. Its totient is φ = 11554715070.

The previous prime is 11554715063. The next prime is 11554715083. The reversal of 11554715071 is 17051745511.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11554715071 - 2³ = 11554715063 is a prime.

It is a super-2 number, since 2×11554715071² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11554715071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11554715971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5777357535 + 5777357536.

It is an arithmetic number, because the mean of its divisors is an integer number (5777357536).

Almost surely, 2^11554715071 is an apocalyptic number.

11554715071 is a deficient number, since it is larger than the sum of its proper divisors (1).

11554715071 is an equidigital number, since it uses as much as digits as its factorization.

11554715071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24500, while the sum is 37.

The spelling of 11554715071 in words is "eleven billion, five hundred fifty-four million, seven hundred fifteen thousand, seventy-one".