125661072350 has 48 divisors (see below), whose sum is σ = 268397642880. Its totient is φ = 43289935200.

The previous prime is 125661072343. The next prime is 125661072353. The reversal of 125661072350 is 53270166521.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125661072353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6002042 + ... + 6022941.

It is an arithmetic number, because the mean of its divisors is an integer number (5591617560).

Almost surely, 2^125661072350 is an apocalyptic number.

125661072350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125661072350 is an abundant number, since it is smaller than the sum of its proper divisors (142736570530).

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

125661072350 is a wasteful number, since it uses less digits than its factorization.

125661072350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12025025 (or 12025020 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 125661072350 in words is "one hundred twenty-five billion, six hundred sixty-one million, seventy-two thousand, three hundred fifty".