10521134045 has 4 divisors (see below), whose sum is σ = 12625360860. Its totient is φ = 8416907232.

The previous prime is 10521133981. The next prime is 10521134069. The reversal of 10521134045 is 54043112501.

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 5469194116 + 5051939929 = 73954^2 + 71077^2 .

It is a cyclic number.

It is not a de Polignac number, because 10521134045 - 2⁶ = 10521133981 is a prime.

It is a super-2 number, since 2×10521134045² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1052113400 + ... + 1052113409.

It is an arithmetic number, because the mean of its divisors is an integer number (3156340215).

Almost surely, 2^10521134045 is an apocalyptic number.

It is an amenable number.

10521134045 is a deficient number, since it is larger than the sum of its proper divisors (2104226815).

10521134045 is an equidigital number, since it uses as much as digits as its factorization.

10521134045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2104226814.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 10521134045 its reverse (54043112501), we get a palindrome (64564246546).

The spelling of 10521134045 in words is "ten billion, five hundred twenty-one million, one hundred thirty-four thousand, forty-five".