26003143157 has 2 divisors, whose sum is σ = 26003143158. Its totient is φ = 26003143156.

The previous prime is 26003143109. The next prime is 26003143171. The reversal of 26003143157 is 75134130062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19837595716 + 6165547441 = 140846^2 + 78521^2 .

It is a cyclic number.

It is not a de Polignac number, because 26003143157 - 2²² = 25998948853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26003143657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13001571578 + 13001571579.

It is an arithmetic number, because the mean of its divisors is an integer number (13001571579).

Almost surely, 2^26003143157 is an apocalyptic number.

It is an amenable number.

26003143157 is a deficient number, since it is larger than the sum of its proper divisors (1).

26003143157 is an equidigital number, since it uses as much as digits as its factorization.

26003143157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 26003143157 in words is "twenty-six billion, three million, one hundred forty-three thousand, one hundred fifty-seven".