1255882154421 has 8 divisors (see below), whose sum is σ = 1762641620320. Its totient is φ = 793188729072.

The previous prime is 1255882154411. The next prime is 1255882154431. The reversal of 1255882154421 is 1244512885521.

It is an interprime number because it is at equal distance from previous prime (1255882154411) and next prime (1255882154431).

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

It is not a de Polignac number, because 1255882154421 - 2⁹ = 1255882153909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255882154411) 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, 11016510070 + ... + 11016510183.

It is an arithmetic number, because the mean of its divisors is an integer number (220330202540).

Almost surely, 2^{1255882154421} is an apocalyptic number.

It is an amenable number.

1255882154421 is a deficient number, since it is larger than the sum of its proper divisors (506759465899).

1255882154421 is a wasteful number, since it uses less digits than its factorization.

1255882154421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22033020275.

The product of its digits is 1024000, while the sum is 48.

The spelling of 1255882154421 in words is "one trillion, two hundred fifty-five billion, eight hundred eighty-two million, one hundred fifty-four thousand, four hundred twenty-one".