125405352354 has 32 divisors (see below), whose sum is σ = 252667909440. Its totient is φ = 41493355200.

The previous prime is 125405352343. The next prime is 125405352377. The reversal of 125405352354 is 453253504521.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316924 + ... + 592664.

It is an arithmetic number, because the mean of its divisors is an integer number (7895872170).

Almost surely, 2^125405352354 is an apocalyptic number.

125405352354 is an abundant number, since it is smaller than the sum of its proper divisors (127262557086).

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

125405352354 is a wasteful number, since it uses less digits than its factorization.

125405352354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276306.

The product of its (nonzero) digits is 360000, while the sum is 39.

Adding to 125405352354 its reverse (453253504521), we get a palindrome (578658856875).

The spelling of 125405352354 in words is "one hundred twenty-five billion, four hundred five million, three hundred fifty-two thousand, three hundred fifty-four".