119648835204921 has 135 divisors (see below), whose sum is σ = 197650018147197. Its totient is φ = 72078002979840.

The previous prime is 119648835204883. The next prime is 119648835204923. The reversal of 119648835204921 is 129402538846911.

The square root of 119648835204921 is 10938411.

It is a perfect power (a square), and thus also a powerful number.

119648835204921 is a `hidden beast` number, since 1 + 1 + 9 + 6 + 4 + 8 + 83 + 520 + 4 + 9 + 21 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 61538706204921 + 58110129000000 = 7844661^2 + 7623000^2 .

It is not a de Polignac number, because 119648835204921 - 2³⁷ = 119511396251449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (119648835204923) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 338948541481 + ... + 338948541833.

Almost surely, 2^{119648835204921} is an apocalyptic number.

119648835204921 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

119648835204921 is the 10938411-st square number.

119648835204921 is the 5469206-th centered octagonal number.

It is an amenable number.

119648835204921 is a deficient number, since it is larger than the sum of its proper divisors (78001182942276).

119648835204921 is an frugal number, since it uses more digits than its factorization.

119648835204921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366 (or 680 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 63.

The spelling of 119648835204921 in words is "one hundred nineteen trillion, six hundred forty-eight billion, eight hundred thirty-five million, two hundred four thousand, nine hundred twenty-one".