125531540410 has 32 divisors (see below), whose sum is σ = 226256461200. Its totient is φ = 50146076160.

The previous prime is 125531540389. The next prime is 125531540419. The reversal of 125531540410 is 14045135521.

It can be written as a sum of positive squares in 8 ways, for example, as 23993080609 + 101538459801 = 154897^2 + 318651^2 .

It is not an unprimeable number, because it can be changed into a prime (125531540419) 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, 38874676 + ... + 38877904.

Almost surely, 2^125531540410 is an apocalyptic number.

125531540410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125531540410 is a deficient number, since it is larger than the sum of its proper divisors (100724920790).

125531540410 is a wasteful number, since it uses less digits than its factorization.

125531540410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7186.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 125531540410 its reverse (14045135521), we get a palindrome (139576675931).

The spelling of 125531540410 in words is "one hundred twenty-five billion, five hundred thirty-one million, five hundred forty thousand, four hundred ten".