3971115426355 has 48 divisors (see below), whose sum is σ = 5986678864320. Its totient is φ = 2475306789120.

The previous prime is 3971115426269. The next prime is 3971115426407. The reversal of 3971115426355 is 5536245111793.

3971115426355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3971115426355 - 2¹³ = 3971115418163 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 69751641 + ... + 69808549.

It is an arithmetic number, because the mean of its divisors is an integer number (124722476340).

Almost surely, 2^{3971115426355} is an apocalyptic number.

3971115426355 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3971115426355 is a deficient number, since it is larger than the sum of its proper divisors (2015563437965).

3971115426355 is a wasteful number, since it uses less digits than its factorization.

3971115426355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73420 (or 73409 counting only the distinct ones).

The product of its digits is 3402000, while the sum is 52.

The spelling of 3971115426355 in words is "three trillion, nine hundred seventy-one billion, one hundred fifteen million, four hundred twenty-six thousand, three hundred fifty-five".