125152423211 has 4 divisors (see below), whose sum is σ = 125230014672. Its totient is φ = 125074831752.

The previous prime is 125152423163. The next prime is 125152423241. The reversal of 125152423211 is 112324251521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 125152423211 - 2¹⁸ = 125152161067 is a prime.

It is a super-4 number, since 4×125152423211⁴ (a number of 45 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125152423241) 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, 38793311 + ... + 38796536.

It is an arithmetic number, because the mean of its divisors is an integer number (31307503668).

Almost surely, 2^125152423211 is an apocalyptic number.

125152423211 is a deficient number, since it is larger than the sum of its proper divisors (77591461).

125152423211 is an equidigital number, since it uses as much as digits as its factorization.

125152423211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77591460.

The product of its digits is 4800, while the sum is 29.

Adding to 125152423211 its reverse (112324251521), we get a palindrome (237476674732).

The spelling of 125152423211 in words is "one hundred twenty-five billion, one hundred fifty-two million, four hundred twenty-three thousand, two hundred eleven".