4001500101 has 4 divisors (see below), whose sum is σ = 5335333472. Its totient is φ = 2667666732.

The previous prime is 4001500081. The next prime is 4001500189. The reversal of 4001500101 is 1010051004.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4001500101 - 2¹⁸ = 4001237957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4001500201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 666916681 + ... + 666916686.

It is an arithmetic number, because the mean of its divisors is an integer number (1333833368).

Almost surely, 2^4001500101 is an apocalyptic number.

It is an amenable number.

4001500101 is a deficient number, since it is larger than the sum of its proper divisors (1333833371).

4001500101 is a wasteful number, since it uses less digits than its factorization.

4001500101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333833370.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 4001500101 is about 63257.4114313888. The cubic root of 4001500101 is about 1587.5994656590.

Adding to 4001500101 its reverse (1010051004), we get a palindrome (5011551105).

The spelling of 4001500101 in words is "four billion, one million, five hundred thousand, one hundred one".