61162722501 has 8 divisors (see below), whose sum is σ = 81553664640. Its totient is φ = 40773464352.

The previous prime is 61162722499. The next prime is 61162722529. The reversal of 61162722501 is 10522726116.

61162722501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 61162722501 - 2¹ = 61162722499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61162722001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333661 + ... + 483378.

It is an arithmetic number, because the mean of its divisors is an integer number (10194208080).

Almost surely, 2^61162722501 is an apocalyptic number.

It is an amenable number.

61162722501 is a deficient number, since it is larger than the sum of its proper divisors (20390942139).

61162722501 is a wasteful number, since it uses less digits than its factorization.

61162722501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841995.

The product of its (nonzero) digits is 10080, while the sum is 33.

The spelling of 61162722501 in words is "sixty-one billion, one hundred sixty-two million, seven hundred twenty-two thousand, five hundred one".