125611355 has 4 divisors (see below), whose sum is σ = 150733632. Its totient is φ = 100489080.

The previous prime is 125611333. The next prime is 125611357. The reversal of 125611355 is 553116521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 553116521 = 13331 ⋅41491.

It is not a de Polignac number, because 125611355 - 2⁸ = 125611099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125611357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12561131 + ... + 12561140.

It is an arithmetic number, because the mean of its divisors is an integer number (37683408).

Almost surely, 2^125611355 is an apocalyptic number.

125611355 is a deficient number, since it is larger than the sum of its proper divisors (25122277).

125611355 is an equidigital number, since it uses as much as digits as its factorization.

125611355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25122276.

The product of its digits is 4500, while the sum is 29.

The square root of 125611355 is about 11207.6471661094. The cubic root of 125611355 is about 500.8138146926.

Adding to 125611355 its reverse (553116521), we get a palindrome (678727876).

The spelling of 125611355 in words is "one hundred twenty-five million, six hundred eleven thousand, three hundred fifty-five".