13156226541 has 12 divisors (see below), whose sum is σ = 19004722620. Its totient is φ = 8770224960.

The previous prime is 13156226537. The next prime is 13156226579. The reversal of 13156226541 is 14562265131.

13156226541 is a `hidden beast` number, since 1 + 31 + 5 + 62 + 26 + 541 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3285009225 + 9871217316 = 57315^2 + 99354^2 .

It is not a de Polignac number, because 13156226541 - 2² = 13156226537 is a prime.

It is a super-2 number, since 2×13156226541² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13156226496 and 13156226505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13156226591) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 122755 + ... + 203423.

It is an arithmetic number, because the mean of its divisors is an integer number (1583726885).

Almost surely, 2^13156226541 is an apocalyptic number.

It is an amenable number.

13156226541 is a deficient number, since it is larger than the sum of its proper divisors (5848496079).

13156226541 is a wasteful number, since it uses less digits than its factorization.

13156226541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98796 (or 98793 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The spelling of 13156226541 in words is "thirteen billion, one hundred fifty-six million, two hundred twenty-six thousand, five hundred forty-one".