11927405951970 has 64 divisors (see below), whose sum is σ = 28684821911040. Its totient is φ = 3174083797248.

The previous prime is 11927405951969. The next prime is 11927405952037. The reversal of 11927405951970 is 7915950472911.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63788976 + ... + 63975684.

It is an arithmetic number, because the mean of its divisors is an integer number (448200342360).

Almost surely, 2^{11927405951970} is an apocalyptic number.

11927405951970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11927405951970 is an abundant number, since it is smaller than the sum of its proper divisors (16757415959070).

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

11927405951970 is a wasteful number, since it uses less digits than its factorization.

11927405951970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191099.

The product of its (nonzero) digits is 7144200, while the sum is 60.

The spelling of 11927405951970 in words is "eleven trillion, nine hundred twenty-seven billion, four hundred five million, nine hundred fifty-one thousand, nine hundred seventy".