125415110555 has 48 divisors (see below), whose sum is σ = 175778817984. Its totient is φ = 84142356480.

The previous prime is 125415110543. The next prime is 125415110581. The reversal of 125415110555 is 555011514521.

It is not a de Polignac number, because 125415110555 - 2¹² = 125415106459 is a prime.

It is a super-3 number, since 3×125415110555³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24680615 + ... + 24685695.

It is an arithmetic number, because the mean of its divisors is an integer number (3662058708).

Almost surely, 2^125415110555 is an apocalyptic number.

125415110555 is a deficient number, since it is larger than the sum of its proper divisors (50363707429).

125415110555 is an equidigital number, since it uses as much as digits as its factorization.

125415110555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5364 (or 5285 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 35.

The spelling of 125415110555 in words is "one hundred twenty-five billion, four hundred fifteen million, one hundred ten thousand, five hundred fifty-five".