6211201045 has 24 divisors (see below), whose sum is σ = 8684683704. Its totient is φ = 4252058496.

The previous prime is 6211201043. The next prime is 6211201057. The reversal of 6211201045 is 5401021126.

It can be written as a sum of positive squares in 4 ways, for example, as 12945604 + 6198255441 = 3598^2 + 78729^2 .

It is not a de Polignac number, because 6211201045 - 2¹ = 6211201043 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 (6211201043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129507 + ... + 170863.

It is an arithmetic number, because the mean of its divisors is an integer number (361861821).

Almost surely, 2^6211201045 is an apocalyptic number.

It is an amenable number.

6211201045 is a deficient number, since it is larger than the sum of its proper divisors (2473482659).

6211201045 is a wasteful number, since it uses less digits than its factorization.

6211201045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41989 (or 41982 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 6211201045 is about 78811.1733512451. The cubic root of 6211201045 is about 1838.1961927311.

The spelling of 6211201045 in words is "six billion, two hundred eleven million, two hundred one thousand, forty-five".