1255267378753 has 8 divisors (see below), whose sum is σ = 1257652611072. Its totient is φ = 1252884293856.

The previous prime is 1255267378751. The next prime is 1255267378787. The reversal of 1255267378753 is 3578737625521.

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 1255267378753 - 2¹ = 1255267378751 is a prime.

It is a super-2 number, since 2×1255267378753² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1255267378691 and 1255267378700.

It is not an unprimeable number, because it can be changed into a prime (1255267378751) 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, 635776 + ... + 1707262.

It is an arithmetic number, because the mean of its divisors is an integer number (157206576384).

Almost surely, 2^{1255267378753} is an apocalyptic number.

It is an amenable number.

1255267378753 is a deficient number, since it is larger than the sum of its proper divisors (2385232319).

1255267378753 is a wasteful number, since it uses less digits than its factorization.

1255267378753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073711.

The product of its digits is 74088000, while the sum is 61.

The spelling of 1255267378753 in words is "one trillion, two hundred fifty-five billion, two hundred sixty-seven million, three hundred seventy-eight thousand, seven hundred fifty-three".