71261226341349 has 64 divisors (see below), whose sum is σ = 110577761971200. Its totient is φ = 40367275776000.

The previous prime is 71261226341341. The next prime is 71261226341377. The reversal of 71261226341349 is 94314362216217.

It is not a de Polignac number, because 71261226341349 - 2³ = 71261226341341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71261226341341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15933397 + ... + 19909685.

It is an arithmetic number, because the mean of its divisors is an integer number (1727777530800).

Almost surely, 2^{71261226341349} is an apocalyptic number.

It is an amenable number.

71261226341349 is a deficient number, since it is larger than the sum of its proper divisors (39316535629851).

71261226341349 is a wasteful number, since it uses less digits than its factorization.

71261226341349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3976706.

The product of its digits is 2612736, while the sum is 51.

The spelling of 71261226341349 in words is "seventy-one trillion, two hundred sixty-one billion, two hundred twenty-six million, three hundred forty-one thousand, three hundred forty-nine".