125267110550 has 24 divisors (see below), whose sum is σ = 234014300400. Its totient is φ = 49888032480.

The previous prime is 125267110543. The next prime is 125267110559. The reversal of 125267110550 is 55011762521.

It is a self number, because there is not a number n which added to its sum of digits gives 125267110550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125267110559) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5458730 + ... + 5481629.

It is an arithmetic number, because the mean of its divisors is an integer number (9750595850).

Almost surely, 2^125267110550 is an apocalyptic number.

125267110550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125267110550 is a deficient number, since it is larger than the sum of its proper divisors (108747189850).

125267110550 is a wasteful number, since it uses less digits than its factorization.

125267110550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10940600 (or 10940595 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 35.

The spelling of 125267110550 in words is "one hundred twenty-five billion, two hundred sixty-seven million, one hundred ten thousand, five hundred fifty".