125541953233 has 2 divisors, whose sum is σ = 125541953234. Its totient is φ = 125541953232.

The previous prime is 125541953191. The next prime is 125541953261. The reversal of 125541953233 is 332359145521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124011031104 + 1530922129 = 352152^2 + 39127^2 .

It is a cyclic number.

It is not a de Polignac number, because 125541953233 - 2¹³ = 125541945041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125541953233.

It is not a weakly prime, because it can be changed into another prime (125541953333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62770976616 + 62770976617.

It is an arithmetic number, because the mean of its divisors is an integer number (62770976617).

Almost surely, 2^125541953233 is an apocalyptic number.

It is an amenable number.

125541953233 is a deficient number, since it is larger than the sum of its proper divisors (1).

125541953233 is an equidigital number, since it uses as much as digits as its factorization.

125541953233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 486000, while the sum is 43.

The spelling of 125541953233 in words is "one hundred twenty-five billion, five hundred forty-one million, nine hundred fifty-three thousand, two hundred thirty-three".