971655977111 has 8 divisors (see below), whose sum is σ = 1047742004400. Its totient is φ = 898064573760.

The previous prime is 971655977053. The next prime is 971655977119. The reversal of 971655977111 is 111779556179.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 971655977111 - 2¹⁴ = 971655960727 is a prime.

It is a super-3 number, since 3×971655977111³ (a number of 37 digits) contains 333 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 (971655977119) 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, 623655176 + ... + 623656733.

It is an arithmetic number, because the mean of its divisors is an integer number (130967750550).

Almost surely, 2^971655977111 is an apocalyptic number.

971655977111 is a deficient number, since it is larger than the sum of its proper divisors (76086027289).

971655977111 is a wasteful number, since it uses less digits than its factorization.

971655977111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247311969.

The product of its digits is 4167450, while the sum is 59.

The spelling of 971655977111 in words is "nine hundred seventy-one billion, six hundred fifty-five million, nine hundred seventy-seven thousand, one hundred eleven".