72550370511471 has 8 divisors (see below), whose sum is σ = 96742006463104. Its totient is φ = 48362824117080.

The previous prime is 72550370511461. The next prime is 72550370511517. The reversal of 72550370511471 is 17411507305527.

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

It is not a de Polignac number, because 72550370511471 - 2⁷ = 72550370511343 is a prime.

It is a super-3 number, since 3×72550370511471³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 72550370511471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72550370511431) 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, 1022347915 + ... + 1022418876.

It is an arithmetic number, because the mean of its divisors is an integer number (12092750807888).

Almost surely, 2^{72550370511471} is an apocalyptic number.

72550370511471 is a deficient number, since it is larger than the sum of its proper divisors (24191635951633).

72550370511471 is a wasteful number, since it uses less digits than its factorization.

72550370511471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044778621.

The product of its (nonzero) digits is 1029000, while the sum is 48.

Adding to 72550370511471 its reverse (17411507305527), we get a palindrome (89961877816998).

The spelling of 72550370511471 in words is "seventy-two trillion, five hundred fifty billion, three hundred seventy million, five hundred eleven thousand, four hundred seventy-one".