1400863982101 has 4 divisors (see below), whose sum is σ = 1483267745772. Its totient is φ = 1318460218432.

The previous prime is 1400863982087. The next prime is 1400863982129. The reversal of 1400863982101 is 1012893680041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1112117884900 + 288746097201 = 1054570^2 + 537351^2 .

It is a cyclic number.

It is not a de Polignac number, because 1400863982101 - 2⁹ = 1400863981589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400863982701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41201881810 + ... + 41201881843.

It is an arithmetic number, because the mean of its divisors is an integer number (370816936443).

Almost surely, 2^{1400863982101} is an apocalyptic number.

It is an amenable number.

1400863982101 is a deficient number, since it is larger than the sum of its proper divisors (82403763671).

1400863982101 is an equidigital number, since it uses as much as digits as its factorization.

1400863982101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82403763670.

The product of its (nonzero) digits is 82944, while the sum is 43.

The spelling of 1400863982101 in words is "one trillion, four hundred billion, eight hundred sixty-three million, nine hundred eighty-two thousand, one hundred one".