1401115311 has 24 divisors (see below), whose sum is σ = 2160951936. Its totient is φ = 872681040.

The previous prime is 1401115301. The next prime is 1401115337. The reversal of 1401115311 is 1135111041.

1401115311 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1401115311 - 2¹⁷ = 1400984239 is a prime.

It is a super-2 number, since 2×1401115311² = 3926248229437253442, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401115301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69805 + ... + 87606.

It is an arithmetic number, because the mean of its divisors is an integer number (90039664).

Almost surely, 2^1401115311 is an apocalyptic number.

1401115311 is a deficient number, since it is larger than the sum of its proper divisors (759836625).

1401115311 is a wasteful number, since it uses less digits than its factorization.

1401115311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157483 (or 157480 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 18.

The square root of 1401115311 is about 37431.4748707555. The cubic root of 1401115311 is about 1118.9859313447.

Adding to 1401115311 its reverse (1135111041), we get a palindrome (2536226352).

The spelling of 1401115311 in words is "one billion, four hundred one million, one hundred fifteen thousand, three hundred eleven".