26135163371450 has 144 divisors (see below), whose sum is σ = 58924903084920. Its totient is φ = 8588486430720.

The previous prime is 26135163371423. The next prime is 26135163371461. The reversal of 26135163371450 is 5417336153162.

It can be written as a sum of positive squares in 12 ways, for example, as 1846046668249 + 24289116703201 = 1358693^2 + 4928399^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 26135163371395 and 26135163371404.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 8391362 + ... + 11076338.

Almost surely, 2^{26135163371450} is an apocalyptic number.

26135163371450 is an abundant number, since it is smaller than the sum of its proper divisors (32789739713470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26135163371450 is a wasteful number, since it uses less digits than its factorization.

26135163371450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2685169 (or 2685157 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 47.

The spelling of 26135163371450 in words is "twenty-six trillion, one hundred thirty-five billion, one hundred sixty-three million, three hundred seventy-one thousand, four hundred fifty".