125452813363 has 4 divisors (see below), whose sum is σ = 126694920528. Its totient is φ = 124210706200.

The previous prime is 125452813307. The next prime is 125452813411. The reversal of 125452813363 is 363318254521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 363318254521 = 3911 ⋅92896511.

It is a cyclic number.

It is not a de Polignac number, because 125452813363 - 2²¹ = 125450716211 is a prime.

It is a super-2 number, since 2×125452813363² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125452819363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 621053431 + ... + 621053632.

It is an arithmetic number, because the mean of its divisors is an integer number (31673730132).

Almost surely, 2^125452813363 is an apocalyptic number.

125452813363 is a deficient number, since it is larger than the sum of its proper divisors (1242107165).

125452813363 is a wasteful number, since it uses less digits than its factorization.

125452813363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1242107164.

The product of its digits is 518400, while the sum is 43.

The spelling of 125452813363 in words is "one hundred twenty-five billion, four hundred fifty-two million, eight hundred thirteen thousand, three hundred sixty-three".