1255433262101 has 4 divisors (see below), whose sum is σ = 1269539253900. Its totient is φ = 1241327270304.

The previous prime is 1255433262049. The next prime is 1255433262113. The reversal of 1255433262101 is 1012623345521.

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

It can be written as a sum of positive squares in 2 ways, for example, as 81187954225 + 1174245307876 = 284935^2 + 1083626^2 .

It is a cyclic number.

It is not a de Polignac number, because 1255433262101 - 2¹⁰ = 1255433261077 is a prime.

It is a super-2 number, since 2×1255433262101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255433262121) 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, 7052995766 + ... + 7052995943.

It is an arithmetic number, because the mean of its divisors is an integer number (317384813475).

Almost surely, 2^{1255433262101} is an apocalyptic number.

It is an amenable number.

1255433262101 is a deficient number, since it is larger than the sum of its proper divisors (14105991799).

1255433262101 is an equidigital number, since it uses as much as digits as its factorization.

1255433262101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14105991798.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 1255433262101 in words is "one trillion, two hundred fifty-five billion, four hundred thirty-three million, two hundred sixty-two thousand, one hundred one".