1400638472511 has 8 divisors (see below), whose sum is σ = 1977371961264. Its totient is φ = 878831982720.

The previous prime is 1400638472509. The next prime is 1400638472557. The reversal of 1400638472511 is 1152748360041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1400638472511 - 2¹ = 1400638472509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400638472591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13731749680 + ... + 13731749781.

It is an arithmetic number, because the mean of its divisors is an integer number (247171495158).

Almost surely, 2^{1400638472511} is an apocalyptic number.

1400638472511 is a deficient number, since it is larger than the sum of its proper divisors (576733488753).

1400638472511 is a wasteful number, since it uses less digits than its factorization.

1400638472511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27463499481.

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 1400638472511 in words is "one trillion, four hundred billion, six hundred thirty-eight million, four hundred seventy-two thousand, five hundred eleven".