79145722521600 has 288 divisors, whose sum is σ = 299022436964160. Its totient is φ = 18090450616320.

The previous prime is 79145722521589. The next prime is 79145722521631. The reversal of 79145722521600 is 612522754197.

It is a super-2 number, since 2×79145722521600² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35729917 + ... + 37880316.

It is an arithmetic number, because the mean of its divisors is an integer number (1038272350570).

Almost surely, 2^{79145722521600} is an apocalyptic number.

79145722521600 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

79145722521600 is an abundant number, since it is smaller than the sum of its proper divisors (219876714442560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79145722521600 is a wasteful number, since it uses less digits than its factorization.

79145722521600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73610275 (or 73610250 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 51.

The spelling of 79145722521600 in words is "seventy-nine trillion, one hundred forty-five billion, seven hundred twenty-two million, five hundred twenty-one thousand, six hundred".