25277500011 has 4 divisors (see below), whose sum is σ = 33703333352. Its totient is φ = 16851666672.

The previous prime is 25277499931. The next prime is 25277500021. The reversal of 25277500011 is 11000577252.

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

It is not a de Polignac number, because 25277500011 - 2¹⁷ = 25277368939 is a prime.

It is a super-2 number, since 2×25277500011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25277500021) 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, 4212916666 + ... + 4212916671.

It is an arithmetic number, because the mean of its divisors is an integer number (8425833338).

Almost surely, 2^25277500011 is an apocalyptic number.

25277500011 is a deficient number, since it is larger than the sum of its proper divisors (8425833341).

25277500011 is an equidigital number, since it uses as much as digits as its factorization.

25277500011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8425833340.

The product of its (nonzero) digits is 4900, while the sum is 30.

The spelling of 25277500011 in words is "twenty-five billion, two hundred seventy-seven million, five hundred thousand, eleven".