60672121105521 has 16 divisors (see below), whose sum is σ = 81782770394304. Its totient is φ = 40005313296384.

The previous prime is 60672121105501. The next prime is 60672121105529. The reversal of 60672121105521 is 12550112127606.

It is not a de Polignac number, because 60672121105521 - 2³³ = 60663531170929 is a prime.

It is a super-3 number, since 3×60672121105521³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 60672121105521.

It is not an unprimeable number, because it can be changed into a prime (60672121105529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66674691 + ... + 67578536.

It is an arithmetic number, because the mean of its divisors is an integer number (5111423149644).

Almost surely, 2^{60672121105521} is an apocalyptic number.

It is an amenable number.

60672121105521 is a deficient number, since it is larger than the sum of its proper divisors (21110649288783).

60672121105521 is a wasteful number, since it uses less digits than its factorization.

60672121105521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134254880.

The product of its (nonzero) digits is 50400, while the sum is 39.

The spelling of 60672121105521 in words is "sixty trillion, six hundred seventy-two billion, one hundred twenty-one million, one hundred five thousand, five hundred twenty-one".