71621061315 has 8 divisors (see below), whose sum is σ = 114593698128. Its totient is φ = 38197899360.

The previous prime is 71621061271. The next prime is 71621061349. The reversal of 71621061315 is 51316012617.

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

It is not a de Polignac number, because 71621061315 - 2⁸ = 71621061059 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2387368696 + ... + 2387368725.

It is an arithmetic number, because the mean of its divisors is an integer number (14324212266).

Almost surely, 2^71621061315 is an apocalyptic number.

71621061315 is a deficient number, since it is larger than the sum of its proper divisors (42972636813).

71621061315 is a wasteful number, since it uses less digits than its factorization.

71621061315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4774737429.

The product of its (nonzero) digits is 7560, while the sum is 33.

The spelling of 71621061315 in words is "seventy-one billion, six hundred twenty-one million, sixty-one thousand, three hundred fifteen".