13165145050 has 48 divisors (see below), whose sum is σ = 24978796344. Its totient is φ = 5160960000.

The previous prime is 13165145029. The next prime is 13165145057. The reversal of 13165145050 is 5054156131.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 414896161 + 12750248889 = 20369^2 + 112917^2 .

It is not an unprimeable number, because it can be changed into a prime (13165145057) 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, 849370 + ... + 864730.

Almost surely, 2^13165145050 is an apocalyptic number.

13165145050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13165145050 is a deficient number, since it is larger than the sum of its proper divisors (11813651294).

13165145050 is a wasteful number, since it uses less digits than its factorization.

13165145050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15715 (or 15710 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

The spelling of 13165145050 in words is "thirteen billion, one hundred sixty-five million, one hundred forty-five thousand, fifty".