13532778051 has 16 divisors (see below), whose sum is σ = 20101740960. Its totient is φ = 8040695040.

The previous prime is 13532778041. The next prime is 13532778059. The reversal of 13532778051 is 15087723531.

It is a happy number.

It is not a de Polignac number, because 13532778051 - 2¹⁷ = 13532646979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13532777994 and 13532778012.

It is not an unprimeable number, because it can be changed into a prime (13532778059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5981530 + ... + 5983791.

It is an arithmetic number, because the mean of its divisors is an integer number (1256358810).

Almost surely, 2^13532778051 is an apocalyptic number.

13532778051 is a deficient number, since it is larger than the sum of its proper divisors (6568962909).

13532778051 is a wasteful number, since it uses less digits than its factorization.

13532778051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11965366.

The product of its (nonzero) digits is 176400, while the sum is 42.

The spelling of 13532778051 in words is "thirteen billion, five hundred thirty-two million, seven hundred seventy-eight thousand, fifty-one".