1325220255051 has 32 divisors (see below), whose sum is σ = 2229505302528. Its totient is φ = 680131806240.

The previous prime is 1325220255041. The next prime is 1325220255059. The reversal of 1325220255051 is 1505520225231.

It is not a de Polignac number, because 1325220255051 - 2¹⁰ = 1325220254027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1325220255059) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34540371 + ... + 34578716.

It is an arithmetic number, because the mean of its divisors is an integer number (69672040704).

Almost surely, 2^{1325220255051} is an apocalyptic number.

1325220255051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1325220255051 is a deficient number, since it is larger than the sum of its proper divisors (904285047477).

1325220255051 is a wasteful number, since it uses less digits than its factorization.

1325220255051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69119191.

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 1325220255051 in words is "one trillion, three hundred twenty-five billion, two hundred twenty million, two hundred fifty-five thousand, fifty-one".