26120220051 has 8 divisors (see below), whose sum is σ = 34844048640. Its totient is φ = 17404935752.

The previous prime is 26120220023. The next prime is 26120220109. The reversal of 26120220051 is 15002202162.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26120220051 - 2⁵ = 26120220019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26120220551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2128935 + ... + 2141168.

It is an arithmetic number, because the mean of its divisors is an integer number (4355506080).

Almost surely, 2^26120220051 is an apocalyptic number.

26120220051 is a deficient number, since it is larger than the sum of its proper divisors (8723828589).

26120220051 is a wasteful number, since it uses less digits than its factorization.

26120220051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4272145.

The product of its (nonzero) digits is 480, while the sum is 21.

The spelling of 26120220051 in words is "twenty-six billion, one hundred twenty million, two hundred twenty thousand, fifty-one".