26143513051 has 4 divisors (see below), whose sum is σ = 26232740352. Its totient is φ = 26054285752.

The previous prime is 26143513027. The next prime is 26143513057. The reversal of 26143513051 is 15031534162.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26143513051 - 2¹¹ = 26143511003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26143513057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44613211 + ... + 44613796.

It is an arithmetic number, because the mean of its divisors is an integer number (6558185088).

Almost surely, 2^26143513051 is an apocalyptic number.

26143513051 is a deficient number, since it is larger than the sum of its proper divisors (89227301).

26143513051 is an equidigital number, since it uses as much as digits as its factorization.

26143513051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89227300.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 26143513051 in words is "twenty-six billion, one hundred forty-three million, five hundred thirteen thousand, fifty-one".