71872288704115 has 16 divisors (see below), whose sum is σ = 86265434787840. Its totient is φ = 57485373343200.

The previous prime is 71872288704101. The next prime is 71872288704119. The reversal of 71872288704115 is 51140788227817.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-71872288704115 is a prime.

It is not an unprimeable number, because it can be changed into a prime (71872288704119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 522612192 + ... + 522749698.

It is an arithmetic number, because the mean of its divisors is an integer number (5391589674240).

Almost surely, 2^{71872288704115} is an apocalyptic number.

71872288704115 is a deficient number, since it is larger than the sum of its proper divisors (14393146083725).

71872288704115 is a wasteful number, since it uses less digits than its factorization.

71872288704115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159402.

The product of its (nonzero) digits is 14049280, while the sum is 61.

The spelling of 71872288704115 in words is "seventy-one trillion, eight hundred seventy-two billion, two hundred eighty-eight million, seven hundred four thousand, one hundred fifteen".