1401643126375 has 16 divisors (see below), whose sum is σ = 1750593304512. Its totient is φ = 1120453807200.

The previous prime is 1401643126363. The next prime is 1401643126391. The reversal of 1401643126375 is 5736213461041.

It is a happy number.

It is not a de Polignac number, because 1401643126375 - 2⁵ = 1401643126343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4139944 + ... + 4465693.

It is an arithmetic number, because the mean of its divisors is an integer number (109412081532).

Almost surely, 2^{1401643126375} is an apocalyptic number.

1401643126375 is a deficient number, since it is larger than the sum of its proper divisors (348950178137).

1401643126375 is an equidigital number, since it uses as much as digits as its factorization.

1401643126375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8606955 (or 8606945 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 1401643126375 in words is "one trillion, four hundred one billion, six hundred forty-three million, one hundred twenty-six thousand, three hundred seventy-five".