1421115011 has 8 divisors (see below), whose sum is σ = 1440143040. Its totient is φ = 1402213032.

The previous prime is 1421114971. The next prime is 1421115037. The reversal of 1421115011 is 1105111241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1421115011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1421115611) 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, 8705 + ... + 54018.

It is an arithmetic number, because the mean of its divisors is an integer number (180017880).

Almost surely, 2^1421115011 is an apocalyptic number.

1421115011 is a deficient number, since it is larger than the sum of its proper divisors (19028029).

1421115011 is a wasteful number, since it uses less digits than its factorization.

1421115011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63025.

The product of its (nonzero) digits is 40, while the sum is 17.

The square root of 1421115011 is about 37697.6791195426. The cubic root of 1421115011 is about 1124.2849806453.

Adding to 1421115011 its reverse (1105111241), we get a palindrome (2526226252).

The spelling of 1421115011 in words is "one billion, four hundred twenty-one million, one hundred fifteen thousand, eleven".