1115171401 has 8 divisors (see below), whose sum is σ = 1162545408. Its totient is φ = 1068510000.

The previous prime is 1115171381. The next prime is 1115171411. The reversal of 1115171401 is 1041715111.

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

It is a cyclic number.

It is not a de Polignac number, because 1115171401 - 2⁷ = 1115171273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1115171411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174955 + ... + 181216.

It is an arithmetic number, because the mean of its divisors is an integer number (145318176).

Almost surely, 2^1115171401 is an apocalyptic number.

It is an amenable number.

1115171401 is a deficient number, since it is larger than the sum of its proper divisors (47374007).

1115171401 is a wasteful number, since it uses less digits than its factorization.

1115171401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356303.

The product of its (nonzero) digits is 140, while the sum is 22.

The square root of 1115171401 is about 33394.1821430021. The cubic root of 1115171401 is about 1037.0042614654.

Adding to 1115171401 its reverse (1041715111), we get a palindrome (2156886512).

The spelling of 1115171401 in words is "one billion, one hundred fifteen million, one hundred seventy-one thousand, four hundred one".