971292213055 has 4 divisors (see below), whose sum is σ = 1165550655672. Its totient is φ = 777033770440.

The previous prime is 971292213011. The next prime is 971292213091. The reversal of 971292213055 is 550312292179.

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

It is not a de Polignac number, because 971292213055 - 2⁷ = 971292212927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 971292212996 and 971292213014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97129221301 + ... + 97129221310.

It is an arithmetic number, because the mean of its divisors is an integer number (291387663918).

Almost surely, 2^971292213055 is an apocalyptic number.

971292213055 is a deficient number, since it is larger than the sum of its proper divisors (194258442617).

971292213055 is a wasteful number, since it uses less digits than its factorization.

971292213055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194258442616.

The product of its (nonzero) digits is 340200, while the sum is 46.

The spelling of 971292213055 in words is "nine hundred seventy-one billion, two hundred ninety-two million, two hundred thirteen thousand, fifty-five".