125554543534 has 8 divisors (see below), whose sum is σ = 215236360368. Its totient is φ = 53809090080.

The previous prime is 125554543523. The next prime is 125554543571. The reversal of 125554543534 is 435345455521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×125554543534² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4484090827 + ... + 4484090854.

It is an arithmetic number, because the mean of its divisors is an integer number (26904545046).

Almost surely, 2^125554543534 is an apocalyptic number.

125554543534 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

125554543534 is a deficient number, since it is larger than the sum of its proper divisors (89681816834).

125554543534 is an equidigital number, since it uses as much as digits as its factorization.

125554543534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8968181690.

The product of its digits is 3600000, while the sum is 46.

The spelling of 125554543534 in words is "one hundred twenty-five billion, five hundred fifty-four million, five hundred forty-three thousand, five hundred thirty-four".