101255001265 has 32 divisors (see below), whose sum is σ = 141738906240. Its totient is φ = 68621952000.

The previous prime is 101255001247. The next prime is 101255001277. The reversal of 101255001265 is 562100552101.

It is not a de Polignac number, because 101255001265 - 2¹¹ = 101254999217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 441675 + ... + 630544.

It is an arithmetic number, because the mean of its divisors is an integer number (4429340820).

Almost surely, 2^101255001265 is an apocalyptic number.

It is an amenable number.

101255001265 is a deficient number, since it is larger than the sum of its proper divisors (40483904975).

101255001265 is a wasteful number, since it uses less digits than its factorization.

101255001265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072353.

The product of its (nonzero) digits is 3000, while the sum is 28.

Adding to 101255001265 its reverse (562100552101), we get a palindrome (663355553366).

The spelling of 101255001265 in words is "one hundred one billion, two hundred fifty-five million, one thousand, two hundred sixty-five".