125553067770 has 128 divisors (see below), whose sum is σ = 337924016640. Its totient is φ = 29641651200.

The previous prime is 125553067733. The next prime is 125553067807. The reversal of 125553067770 is 77760355521.

It is an interprime number because it is at equal distance from previous prime (125553067733) and next prime (125553067807).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1671052 + ... + 1744568.

It is an arithmetic number, because the mean of its divisors is an integer number (2640031380).

Almost surely, 2^125553067770 is an apocalyptic number.

125553067770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 125553067770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168962008320).

125553067770 is an abundant number, since it is smaller than the sum of its proper divisors (212370948870).

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

125553067770 is a wasteful number, since it uses less digits than its factorization.

125553067770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73720.

The product of its (nonzero) digits is 1543500, while the sum is 48.

The spelling of 125553067770 in words is "one hundred twenty-five billion, five hundred fifty-three million, sixty-seven thousand, seven hundred seventy".