125151387639 has 32 divisors (see below), whose sum is σ = 173313561600. Its totient is φ = 80235281280.

The previous prime is 125151387611. The next prime is 125151387649. The reversal of 125151387639 is 936783151521.

It is not a de Polignac number, because 125151387639 - 2¹¹ = 125151385591 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125151387591 and 125151387600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125151387649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49212802 + ... + 49215344.

It is an arithmetic number, because the mean of its divisors is an integer number (5416048800).

Almost surely, 2^125151387639 is an apocalyptic number.

125151387639 is a deficient number, since it is larger than the sum of its proper divisors (48162173961).

125151387639 is a wasteful number, since it uses less digits than its factorization.

125151387639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4615.

The product of its digits is 1360800, while the sum is 51.

The spelling of 125151387639 in words is "one hundred twenty-five billion, one hundred fifty-one million, three hundred eighty-seven thousand, six hundred thirty-nine".