71925836505501 has 16 divisors (see below), whose sum is σ = 107994217863168. Its totient is φ = 42185241351600.

The previous prime is 71925836505491. The next prime is 71925836505511. The reversal of 71925836505501 is 10550563852917.

It is an interprime number because it is at equal distance from previous prime (71925836505491) and next prime (71925836505511).

It is not a de Polignac number, because 71925836505501 - 2⁵ = 71925836505469 is a prime.

It is a super-2 number, since 2×71925836505501² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71925836505511) 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, 35154366771 + ... + 35154368816.

It is an arithmetic number, because the mean of its divisors is an integer number (6749638616448).

Almost surely, 2^{71925836505501} is an apocalyptic number.

It is an amenable number.

71925836505501 is a deficient number, since it is larger than the sum of its proper divisors (36068381357667).

71925836505501 is a wasteful number, since it uses less digits than its factorization.

71925836505501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70308735632.

The product of its (nonzero) digits is 11340000, while the sum is 57.

The spelling of 71925836505501 in words is "seventy-one trillion, nine hundred twenty-five billion, eight hundred thirty-six million, five hundred five thousand, five hundred one".