2115353401 has 32 divisors (see below), whose sum is σ = 2681468928. Its totient is φ = 1625944320.

The previous prime is 2115353371. The next prime is 2115353411. The reversal of 2115353401 is 1043535112.

It is a happy number.

It is not a de Polignac number, because 2115353401 - 2¹⁵ = 2115320633 is a prime.

It is a super-2 number, since 2×2115353401² = 8949440022244533602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2115353411) 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 31 ways as a sum of consecutive naturals, for example, 773206 + ... + 775936.

It is an arithmetic number, because the mean of its divisors is an integer number (83795904).

Almost surely, 2^2115353401 is an apocalyptic number.

It is an amenable number.

2115353401 is a deficient number, since it is larger than the sum of its proper divisors (566115527).

2115353401 is a wasteful number, since it uses less digits than its factorization.

2115353401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3061.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 2115353401 is about 45992.9712130017. The cubic root of 2115353401 is about 1283.6924227199.

Adding to 2115353401 its reverse (1043535112), we get a palindrome (3158888513).

The spelling of 2115353401 in words is "two billion, one hundred fifteen million, three hundred fifty-three thousand, four hundred one".