1400421431111 has 16 divisors (see below), whose sum is σ = 1442715019200. Its totient is φ = 1358536857600.

The previous prime is 1400421431069. The next prime is 1400421431117. The reversal of 1400421431111 is 1111341240041.

It is a cyclic number.

It is not a de Polignac number, because 1400421431111 - 2¹⁰ = 1400421430087 is a prime.

It is a super-2 number, since 2×1400421431111² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400421431117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5080895 + ... + 5349423.

It is an arithmetic number, because the mean of its divisors is an integer number (90169688700).

Almost surely, 2^{1400421431111} is an apocalyptic number.

1400421431111 is a deficient number, since it is larger than the sum of its proper divisors (42293588089).

1400421431111 is a wasteful number, since it uses less digits than its factorization.

1400421431111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269290.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 1400421431111 its reverse (1111341240041), we get a palindrome (2511762671152).

The spelling of 1400421431111 in words is "one trillion, four hundred billion, four hundred twenty-one million, four hundred thirty-one thousand, one hundred eleven".