1225952168855 has 8 divisors (see below), whose sum is σ = 1493099955312. Its totient is φ = 966123499968.

The previous prime is 1225952168813. The next prime is 1225952168863. The reversal of 1225952168855 is 5588612595221.

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 1225952168855 - 2²⁶ = 1225885059991 is a prime.

It is a super-2 number, since 2×1225952168855² (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 = 1225952168794 and 1225952168803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1829779022 + ... + 1829779691.

It is an arithmetic number, because the mean of its divisors is an integer number (186637494414).

Almost surely, 2^{1225952168855} is an apocalyptic number.

1225952168855 is a deficient number, since it is larger than the sum of its proper divisors (267147786457).

1225952168855 is an equidigital number, since it uses as much as digits as its factorization.

1225952168855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3659558785.

The product of its digits is 17280000, while the sum is 59.

The spelling of 1225952168855 in words is "one trillion, two hundred twenty-five billion, nine hundred fifty-two million, one hundred sixty-eight thousand, eight hundred fifty-five".