2275645101261 has 8 divisors (see below), whose sum is σ = 3467649678144. Its totient is φ = 1300368629280.

The previous prime is 2275645101259. The next prime is 2275645101287. The reversal of 2275645101261 is 1621015465722.

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

It is not a de Polignac number, because 2275645101261 - 2¹ = 2275645101259 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2275645101241) 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, 54182026200 + ... + 54182026241.

It is an arithmetic number, because the mean of its divisors is an integer number (433456209768).

Almost surely, 2^{2275645101261} is an apocalyptic number.

2275645101261 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2275645101261 is a deficient number, since it is larger than the sum of its proper divisors (1192004576883).

2275645101261 is a wasteful number, since it uses less digits than its factorization.

2275645101261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108364052451.

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 2275645101261 in words is "two trillion, two hundred seventy-five billion, six hundred forty-five million, one hundred one thousand, two hundred sixty-one".