190111521981348 has 36 divisors (see below), whose sum is σ = 524246924252688. Its totient is φ = 57609552115440.

The previous prime is 190111521981319. The next prime is 190111521981383. The reversal of 190111521981348 is 843189125111091.

190111521981348 is a `hidden beast` number, since 1 + 9 + 0 + 1 + 1 + 1 + 5 + 219 + 81 + 348 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×190111521981348² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 190111521981294 and 190111521981303.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 240039800086 + ... + 240039800877.

Almost surely, 2^{190111521981348} is an apocalyptic number.

190111521981348 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

190111521981348 is an abundant number, since it is smaller than the sum of its proper divisors (334135402271340).

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

190111521981348 is a wasteful number, since it uses less digits than its factorization.

190111521981348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480079600984 (or 480079600979 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 54.

The spelling of 190111521981348 in words is "one hundred ninety trillion, one hundred eleven billion, five hundred twenty-one million, nine hundred eighty-one thousand, three hundred forty-eight".