11947115831374 has 16 divisors (see below), whose sum is σ = 17944267028688. Its totient is φ = 5965698258432.

The previous prime is 11947115831341. The next prime is 11947115831407. The reversal of 11947115831374 is 47313851174911.

11947115831374 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11947115831341) and next prime (11947115831407).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3825424 + ... + 6207100.

It is an arithmetic number, because the mean of its divisors is an integer number (1121516689293).

Almost surely, 2^{11947115831374} is an apocalyptic number.

11947115831374 is a deficient number, since it is larger than the sum of its proper divisors (5997151197314).

11947115831374 is a wasteful number, since it uses less digits than its factorization.

11947115831374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384979.

The product of its digits is 2540160, while the sum is 55.

The spelling of 11947115831374 in words is "eleven trillion, nine hundred forty-seven billion, one hundred fifteen million, eight hundred thirty-one thousand, three hundred seventy-four".