4145121011 has 16 divisors (see below), whose sum is σ = 4337571840. Its totient is φ = 3956506560.

The previous prime is 4145121007. The next prime is 4145121017. The reversal of 4145121011 is 1101215414.

It is a cyclic number.

It is not a de Polignac number, because 4145121011 - 2² = 4145121007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4145121017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2363711 + ... + 2365463.

It is an arithmetic number, because the mean of its divisors is an integer number (271098240).

Almost surely, 2^4145121011 is an apocalyptic number.

4145121011 is a deficient number, since it is larger than the sum of its proper divisors (192450829).

4145121011 is a wasteful number, since it uses less digits than its factorization.

4145121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2786.

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 4145121011 is about 64382.6141982445. The cubic root of 4145121011 is about 1606.3705662380.

Adding to 4145121011 its reverse (1101215414), we get a palindrome (5246336425).

The spelling of 4145121011 in words is "four billion, one hundred forty-five million, one hundred twenty-one thousand, eleven".