125024511042440 has 32 divisors (see below), whose sum is σ = 282039628078080. Its totient is φ = 49879230508992.

The previous prime is 125024511042383. The next prime is 125024511042499. The reversal of 125024511042440 is 44240115420521.

It is a happy number.

It is a super-2 number, since 2×125024511042440² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 125024511042440.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4080419114 + ... + 4080449753.

It is an arithmetic number, because the mean of its divisors is an integer number (8813738377440).

Almost surely, 2^{125024511042440} is an apocalyptic number.

125024511042440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125024511042440 is an abundant number, since it is smaller than the sum of its proper divisors (157015117035640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125024511042440 is a wasteful number, since it uses less digits than its factorization.

125024511042440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8160869261 (or 8160869257 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 35.

Adding to 125024511042440 its reverse (44240115420521), we get a palindrome (169264626462961).

The spelling of 125024511042440 in words is "one hundred twenty-five trillion, twenty-four billion, five hundred eleven million, forty-two thousand, four hundred forty".