72425552763215 has 4 divisors (see below), whose sum is σ = 86910663315864. Its totient is φ = 57940442210568.

The previous prime is 72425552763209. The next prime is 72425552763241. The reversal of 72425552763215 is 51236725552427.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72425552763215 - 2⁴⁰ = 71326041135439 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 3 ways as a sum of consecutive naturals, for example, 7242555276317 + ... + 7242555276326.

It is an arithmetic number, because the mean of its divisors is an integer number (21727665828966).

Almost surely, 2^{72425552763215} is an apocalyptic number.

72425552763215 is a deficient number, since it is larger than the sum of its proper divisors (14485110552649).

72425552763215 is a wasteful number, since it uses less digits than its factorization.

72425552763215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14485110552648.

The product of its digits is 35280000, while the sum is 56.

The spelling of 72425552763215 in words is "seventy-two trillion, four hundred twenty-five billion, five hundred fifty-two million, seven hundred sixty-three thousand, two hundred fifteen".