125544254450 has 96 divisors (see below), whose sum is σ = 241415976960. Its totient is φ = 48548289600.

The previous prime is 125544254443. The next prime is 125544254453. The reversal of 125544254450 is 54452445521.

It is a super-2 number, since 2×125544254450² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125544254398 and 125544254407.

It is not an unprimeable number, because it can be changed into a prime (125544254453) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68565035 + ... + 68566865.

It is an arithmetic number, because the mean of its divisors is an integer number (2514749760).

Almost surely, 2^125544254450 is an apocalyptic number.

125544254450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125544254450 is a deficient number, since it is larger than the sum of its proper divisors (115871722510).

125544254450 is a wasteful number, since it uses less digits than its factorization.

125544254450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232 (or 2227 counting only the distinct ones).

The product of its (nonzero) digits is 640000, while the sum is 41.

Adding to 125544254450 its reverse (54452445521), we get a palindrome (179996699971).

The spelling of 125544254450 in words is "one hundred twenty-five billion, five hundred forty-four million, two hundred fifty-four thousand, four hundred fifty".