125587167830 has 48 divisors (see below), whose sum is σ = 235232448624. Its totient is φ = 48261810240.

The previous prime is 125587167821. The next prime is 125587167833. The reversal of 125587167830 is 38761785521.

It is a super-3 number, since 3×125587167830³ (a number of 34 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125587167833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1072217 + ... + 1183563.

It is an arithmetic number, because the mean of its divisors is an integer number (4900676013).

Almost surely, 2^125587167830 is an apocalyptic number.

125587167830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125587167830 is a deficient number, since it is larger than the sum of its proper divisors (109645280794).

125587167830 is a wasteful number, since it uses less digits than its factorization.

125587167830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111501 (or 111458 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 53.

The spelling of 125587167830 in words is "one hundred twenty-five billion, five hundred eighty-seven million, one hundred sixty-seven thousand, eight hundred thirty".