125505355451 has 8 divisors (see below), whose sum is σ = 143845682400. Its totient is φ = 107267776128.

The previous prime is 125505355397. The next prime is 125505355463. The reversal of 125505355451 is 154553505521.

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 125505355451 - 2²⁶ = 125438246587 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125505355399 and 125505355408.

It is not an unprimeable number, because it can be changed into a prime (125505355951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25684286 + ... + 25689171.

It is an arithmetic number, because the mean of its divisors is an integer number (17980710300).

Almost surely, 2^125505355451 is an apocalyptic number.

125505355451 is a deficient number, since it is larger than the sum of its proper divisors (18340326949).

125505355451 is an equidigital number, since it uses as much as digits as its factorization.

125505355451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51373813.

The product of its (nonzero) digits is 375000, while the sum is 41.

The spelling of 125505355451 in words is "one hundred twenty-five billion, five hundred five million, three hundred fifty-five thousand, four hundred fifty-one".