26157011 has 4 divisors (see below), whose sum is σ = 26451000. Its totient is φ = 25863024.

The previous prime is 26157007. The next prime is 26157017. The reversal of 26157011 is 11075162.

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 26157011 - 2² = 26157007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26157017) 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, 146861 + ... + 147038.

It is an arithmetic number, because the mean of its divisors is an integer number (6612750).

Almost surely, 2^26157011 is an apocalyptic number.

26157011 is a deficient number, since it is larger than the sum of its proper divisors (293989).

26157011 is an equidigital number, since it uses as much as digits as its factorization.

26157011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293988.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 26157011 is about 5114.3925347982. The cubic root of 26157011 is about 296.8447495086.

The spelling of 26157011 in words is "twenty-six million, one hundred fifty-seven thousand, eleven".