10126620145 has 4 divisors (see below), whose sum is σ = 12151944180. Its totient is φ = 8101296112.

The previous prime is 10126620143. The next prime is 10126620191. The reversal of 10126620145 is 54102662101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7224320016 + 2902300129 = 84996^2 + 53873^2 .

It is a cyclic number.

It is not a de Polignac number, because 10126620145 - 2¹ = 10126620143 is a prime.

It is a super-2 number, since 2×10126620145² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10126620143) 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, 1012662010 + ... + 1012662019.

It is an arithmetic number, because the mean of its divisors is an integer number (3037986045).

Almost surely, 2^10126620145 is an apocalyptic number.

It is an amenable number.

10126620145 is a deficient number, since it is larger than the sum of its proper divisors (2025324035).

10126620145 is an equidigital number, since it uses as much as digits as its factorization.

10126620145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025324034.

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 10126620145 in words is "ten billion, one hundred twenty-six million, six hundred twenty thousand, one hundred forty-five".