72144290659015 has 8 divisors (see below), whose sum is σ = 87430308680448. Its totient is φ = 57143992600800.

The previous prime is 72144290659003. The next prime is 72144290659027. The reversal of 72144290659015 is 51095609244127.

It is an interprime number because it is at equal distance from previous prime (72144290659003) and next prime (72144290659027).

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

It is not a de Polignac number, because 72144290659015 - 2¹³ = 72144290650823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71429990247 + ... + 71429991256.

It is an arithmetic number, because the mean of its divisors is an integer number (10928788585056).

Almost surely, 2^{72144290659015} is an apocalyptic number.

72144290659015 is a deficient number, since it is larger than the sum of its proper divisors (15286018021433).

72144290659015 is a wasteful number, since it uses less digits than its factorization.

72144290659015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142859981609.

The product of its (nonzero) digits is 5443200, while the sum is 55.

The spelling of 72144290659015 in words is "seventy-two trillion, one hundred forty-four billion, two hundred ninety million, six hundred fifty-nine thousand, fifteen".