13046025505 has 16 divisors (see below), whose sum is σ = 16635998160. Its totient is φ = 9787410432.

The previous prime is 13046025457. The next prime is 13046025541. The reversal of 13046025505 is 50552064031.

It can be written as a sum of positive squares in 8 ways, for example, as 4613904 + 13041411601 = 2148^2 + 114199^2 .

It is a cyclic number.

It is not a de Polignac number, because 13046025505 - 2⁹ = 13046024993 is a prime.

It is a super-2 number, since 2×13046025505² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253500 + ... + 300589.

It is an arithmetic number, because the mean of its divisors is an integer number (1039749885).

Almost surely, 2^13046025505 is an apocalyptic number.

It is an amenable number.

13046025505 is a deficient number, since it is larger than the sum of its proper divisors (3589972655).

13046025505 is a wasteful number, since it uses less digits than its factorization.

13046025505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554388.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 13046025505 its reverse (50552064031), we get a palindrome (63598089536).

The spelling of 13046025505 in words is "thirteen billion, forty-six million, twenty-five thousand, five hundred five".