1955317023252 has 18 divisors (see below), whose sum is σ = 4942606919978. Its totient is φ = 651772341072.

The previous prime is 1955317023227. The next prime is 1955317023269. The reversal of 1955317023252 is 2523207135591.

1955317023252 is a `hidden beast` number, since 1 + 9 + 5 + 5 + 317 + 0 + 2 + 325 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1930804737156 + 24512286096 = 1389534^2 + 156564^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1955317023252² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1955317023198 and 1955317023207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27157180843 + ... + 27157180914.

Almost surely, 2^{1955317023252} is an apocalyptic number.

1955317023252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1955317023252 is an abundant number, since it is smaller than the sum of its proper divisors (2987289896726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1955317023252 is a wasteful number, since it uses less digits than its factorization.

1955317023252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54314361767 (or 54314361762 counting only the distinct ones).

The product of its (nonzero) digits is 567000, while the sum is 45.

The spelling of 1955317023252 in words is "one trillion, nine hundred fifty-five billion, three hundred seventeen million, twenty-three thousand, two hundred fifty-two".