125220115648 has 14 divisors (see below), whose sum is σ = 248483667116. Its totient is φ = 62610057792.

The previous prime is 125220115549. The next prime is 125220115651. The reversal of 125220115648 is 846511022521.

It is a super-3 number, since 3×125220115648³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 978282090 + ... + 978282217.

Almost surely, 2^125220115648 is an apocalyptic number.

It is an amenable number.

125220115648 is a deficient number, since it is larger than the sum of its proper divisors (123263551468).

125220115648 is an equidigital number, since it uses as much as digits as its factorization.

125220115648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956564319 (or 1956564309 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The spelling of 125220115648 in words is "one hundred twenty-five billion, two hundred twenty million, one hundred fifteen thousand, six hundred forty-eight".