125501391410 has 32 divisors (see below), whose sum is σ = 237832632000. Its totient is φ = 47550317760.

The previous prime is 125501391403. The next prime is 125501391419. The reversal of 125501391410 is 14193105521.

It is not an unprimeable number, because it can be changed into a prime (125501391419) 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, 1126916 + ... + 1233264.

It is an arithmetic number, because the mean of its divisors is an integer number (7432269750).

Almost surely, 2^125501391410 is an apocalyptic number.

125501391410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125501391410 is a deficient number, since it is larger than the sum of its proper divisors (112331240590).

125501391410 is a wasteful number, since it uses less digits than its factorization.

125501391410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112586.

The product of its (nonzero) digits is 5400, while the sum is 32.

Adding to 125501391410 its reverse (14193105521), we get a palindrome (139694496931).

The spelling of 125501391410 in words is "one hundred twenty-five billion, five hundred one million, three hundred ninety-one thousand, four hundred ten".