125534355240 has 64 divisors (see below), whose sum is σ = 430403506560. Its totient is φ = 28693566720.

The previous prime is 125534355217. The next prime is 125534355241. The reversal of 125534355240 is 42553435521.

It is not an unprimeable number, because it can be changed into a prime (125534355241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74721991 + ... + 74723670.

It is an arithmetic number, because the mean of its divisors is an integer number (6725054790).

Almost surely, 2^125534355240 is an apocalyptic number.

125534355240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125534355240 is an abundant number, since it is smaller than the sum of its proper divisors (304869151320).

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

125534355240 is a wasteful number, since it uses less digits than its factorization.

125534355240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149445682 (or 149445678 counting only the distinct ones).

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

The spelling of 125534355240 in words is "one hundred twenty-five billion, five hundred thirty-four million, three hundred fifty-five thousand, two hundred forty".