70211771371 has 4 divisors (see below), whose sum is σ = 80242024432. Its totient is φ = 60181518312.

The previous prime is 70211771369. The next prime is 70211771393. The reversal of 70211771371 is 17317711207.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17317711207 = 419 ⋅41331053.

It is a cyclic number.

It is not a de Polignac number, because 70211771371 - 2¹ = 70211771369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70211771371.

It is not an unprimeable number, because it can be changed into a prime (70211771341) 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, 5015126520 + ... + 5015126533.

It is an arithmetic number, because the mean of its divisors is an integer number (20060506108).

Almost surely, 2^70211771371 is an apocalyptic number.

70211771371 is a deficient number, since it is larger than the sum of its proper divisors (10030253061).

70211771371 is a wasteful number, since it uses less digits than its factorization.

70211771371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10030253060.

The product of its (nonzero) digits is 14406, while the sum is 37.

The spelling of 70211771371 in words is "seventy billion, two hundred eleven million, seven hundred seventy-one thousand, three hundred seventy-one".