125136150321 has 16 divisors (see below), whose sum is σ = 205351631744. Its totient is φ = 66005881344.

The previous prime is 125136150317. The next prime is 125136150331. The reversal of 125136150321 is 123051631521.

It is not a de Polignac number, because 125136150321 - 2² = 125136150317 is a prime.

It is a super-2 number, since 2×125136150321² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125136150331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229186816 + ... + 229187361.

It is an arithmetic number, because the mean of its divisors is an integer number (12834476984).

Almost surely, 2^125136150321 is an apocalyptic number.

It is an amenable number.

125136150321 is a deficient number, since it is larger than the sum of its proper divisors (80215481423).

125136150321 is a wasteful number, since it uses less digits than its factorization.

125136150321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458374200.

The product of its (nonzero) digits is 5400, while the sum is 30.

Adding to 125136150321 its reverse (123051631521), we get a palindrome (248187781842).

The spelling of 125136150321 in words is "one hundred twenty-five billion, one hundred thirty-six million, one hundred fifty thousand, three hundred twenty-one".