1401111113 has 2 divisors, whose sum is σ = 1401111114. Its totient is φ = 1401111112.

The previous prime is 1401111073. The next prime is 1401111121. The reversal of 1401111113 is 3111111041.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 845471929 + 555639184 = 29077^2 + 23572^2 .

It is an emirp because it is prime and its reverse (3111111041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1401111113 - 2²⁰ = 1400062537 is a prime.

It is a super-2 number, since 2×1401111113² = 3926224701944197538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1401111143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700555556 + 700555557.

It is an arithmetic number, because the mean of its divisors is an integer number (700555557).

Almost surely, 2^1401111113 is an apocalyptic number.

It is an amenable number.

1401111113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1401111113 is an equidigital number, since it uses as much as digits as its factorization.

1401111113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 14.

The square root of 1401111113 is about 37431.4187949108. The cubic root of 1401111113 is about 1118.9848137808.

Adding to 1401111113 its reverse (3111111041), we get a palindrome (4512222154).

The spelling of 1401111113 in words is "one billion, four hundred one million, one hundred eleven thousand, one hundred thirteen".