5253300861781 has 12 divisors (see below), whose sum is σ = 6111047810700. Its totient is φ = 4502781286080.

The previous prime is 5253300861701. The next prime is 5253300861827. The reversal of 5253300861781 is 1871680033525.

It can be written as a sum of positive squares in 2 ways, for example, as 1164651056100 + 4088649805681 = 1079190^2 + 2022041^2 .

It is not a de Polignac number, because 5253300861781 - 2²³ = 5253292473173 is a prime.

It is a super-2 number, since 2×5253300861781² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5253300861701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4529211 + ... + 5569591.

It is an arithmetic number, because the mean of its divisors is an integer number (509253984225).

Almost surely, 2^{5253300861781} is an apocalyptic number.

It is an amenable number.

5253300861781 is a deficient number, since it is larger than the sum of its proper divisors (857746948919).

5253300861781 is a wasteful number, since it uses less digits than its factorization.

5253300861781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143444 (or 1143437 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 5253300861781 in words is "five trillion, two hundred fifty-three billion, three hundred million, eight hundred sixty-one thousand, seven hundred eighty-one".