125133255331 has 32 divisors (see below), whose sum is σ = 148541040000. Its totient is φ = 103139377152.

The previous prime is 125133255319. The next prime is 125133255343. The reversal of 125133255331 is 133552331521.

It is an interprime number because it is at equal distance from previous prime (125133255319) and next prime (125133255343).

It is not a de Polignac number, because 125133255331 - 2¹⁹ = 125132731043 is a prime.

It is a super-2 number, since 2×125133255331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125133255311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73737075 + ... + 73738771.

It is an arithmetic number, because the mean of its divisors is an integer number (4641907500).

Almost surely, 2^125133255331 is an apocalyptic number.

125133255331 is a deficient number, since it is larger than the sum of its proper divisors (23407784669).

125133255331 is a wasteful number, since it uses less digits than its factorization.

125133255331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2991.

The product of its digits is 40500, while the sum is 34.

Adding to 125133255331 its reverse (133552331521), we get a palindrome (258685586852).

The spelling of 125133255331 in words is "one hundred twenty-five billion, one hundred thirty-three million, two hundred fifty-five thousand, three hundred thirty-one".