72212501561441 has 8 divisors (see below), whose sum is σ = 72894694302144. Its totient is φ = 71530444182960.

The previous prime is 72212501561437. The next prime is 72212501561527. The reversal of 72212501561441 is 14416510521227.

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

It is a cyclic number.

It is not a de Polignac number, because 72212501561441 - 2² = 72212501561437 is a prime.

It is a super-2 number, since 2×72212501561441² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72212501561401) 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, 32768405 + ... + 34902626.

It is an arithmetic number, because the mean of its divisors is an integer number (9111836787768).

Almost surely, 2^{72212501561441} is an apocalyptic number.

It is an amenable number.

72212501561441 is a deficient number, since it is larger than the sum of its proper divisors (682192740703).

72212501561441 is a wasteful number, since it uses less digits than its factorization.

72212501561441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67681111.

The product of its (nonzero) digits is 134400, while the sum is 41.

The spelling of 72212501561441 in words is "seventy-two trillion, two hundred twelve billion, five hundred one million, five hundred sixty-one thousand, four hundred forty-one".