72401512250215 has 8 divisors (see below), whose sum is σ = 86881892204880. Its totient is φ = 57921158130432.

The previous prime is 72401512250191. The next prime is 72401512250231. The reversal of 72401512250215 is 51205221510427.

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 72401512250215 - 2¹³ = 72401512242023 is a prime.

It is a super-2 number, since 2×72401512250215² (a number of 29 digits) contains 22 as substring.

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, 361431 + ... + 12038839.

It is an arithmetic number, because the mean of its divisors is an integer number (10860236525610).

Almost surely, 2^{72401512250215} is an apocalyptic number.

72401512250215 is a deficient number, since it is larger than the sum of its proper divisors (14480379954665).

72401512250215 is a wasteful number, since it uses less digits than its factorization.

72401512250215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12917441.

The product of its (nonzero) digits is 56000, while the sum is 37.

The spelling of 72401512250215 in words is "seventy-two trillion, four hundred one billion, five hundred twelve million, two hundred fifty thousand, two hundred fifteen".