72212501561548 has 48 divisors (see below), whose sum is σ = 127815170513184. Its totient is φ = 35695315814400.

The previous prime is 72212501561527. The next prime is 72212501561561. The reversal of 72212501561548 is 84516510521227.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 673112040 + ... + 673219312.

It is an arithmetic number, because the mean of its divisors is an integer number (2662816052358).

Almost surely, 2^{72212501561548} is an apocalyptic number.

It is an amenable number.

72212501561548 is a deficient number, since it is larger than the sum of its proper divisors (55602668951636).

72212501561548 is a wasteful number, since it uses less digits than its factorization.

72212501561548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110602 (or 110600 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 49.

The spelling of 72212501561548 in words is "seventy-two trillion, two hundred twelve billion, five hundred one million, five hundred sixty-one thousand, five hundred forty-eight".