7471115641 has 16 divisors (see below), whose sum is σ = 8203972608. Its totient is φ = 6747325200.

The previous prime is 7471115593. The next prime is 7471115669. The reversal of 7471115641 is 1465111747.

It is a de Polignac number, because none of the positive numbers 2^k-7471115641 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 7471115641.

It is not an unprimeable number, because it can be changed into a prime (7471115671) 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, 1406196 + ... + 1411498.

It is an arithmetic number, because the mean of its divisors is an integer number (512748288).

Almost surely, 2^7471115641 is an apocalyptic number.

It is an amenable number.

7471115641 is a deficient number, since it is larger than the sum of its proper divisors (732856967).

7471115641 is a wasteful number, since it uses less digits than its factorization.

7471115641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6132.

The product of its digits is 23520, while the sum is 37.

The square root of 7471115641 is about 86435.6155817728. The cubic root of 7471115641 is about 1954.9177335145.

The spelling of 7471115641 in words is "seven billion, four hundred seventy-one million, one hundred fifteen thousand, six hundred forty-one".