125511355 has 16 divisors (see below), whose sum is σ = 153425664. Its totient is φ = 98550880.

The previous prime is 125511311. The next prime is 125511361. The reversal of 125511355 is 553115521.

It is not a de Polignac number, because 125511355 - 2⁹ = 125510843 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68400 + ... + 70210.

It is an arithmetic number, because the mean of its divisors is an integer number (9589104).

Almost surely, 2^125511355 is an apocalyptic number.

125511355 is a deficient number, since it is larger than the sum of its proper divisors (27914309).

125511355 is a wasteful number, since it uses less digits than its factorization.

125511355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066.

The product of its digits is 3750, while the sum is 28.

The square root of 125511355 is about 11203.1850381934. The cubic root of 125511355 is about 500.6808790532.

Adding to 125511355 its reverse (553115521), we get a palindrome (678626876).

The spelling of 125511355 in words is "one hundred twenty-five million, five hundred eleven thousand, three hundred fifty-five".