72151352220403 has 4 divisors (see below), whose sum is σ = 72217485449928. Its totient is φ = 72085218990880.

The previous prime is 72151352220383. The next prime is 72151352220419. The reversal of 72151352220403 is 30402225315127.

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 72151352220403 - 2⁵ = 72151352220371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72151352220503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33066613126 + ... + 33066615307.

It is an arithmetic number, because the mean of its divisors is an integer number (18054371362482).

Almost surely, 2^{72151352220403} is an apocalyptic number.

72151352220403 is a deficient number, since it is larger than the sum of its proper divisors (66133229525).

72151352220403 is a wasteful number, since it uses less digits than its factorization.

72151352220403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66133229524.

The product of its (nonzero) digits is 100800, while the sum is 37.

The spelling of 72151352220403 in words is "seventy-two trillion, one hundred fifty-one billion, three hundred fifty-two million, two hundred twenty thousand, four hundred three".