125366045535 has 48 divisors (see below), whose sum is σ = 224389122048. Its totient is φ = 64682481600.

The previous prime is 125366045509. The next prime is 125366045549. The reversal of 125366045535 is 535540663521.

125366045535 is a `hidden beast` number, since 1 + 2 + 5 + 3 + 6 + 604 + 5 + 5 + 35 = 666.

It is not a de Polignac number, because 125366045535 - 2¹¹ = 125366043487 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4437364 + ... + 4465526.

It is an arithmetic number, because the mean of its divisors is an integer number (4674773376).

Almost surely, 2^125366045535 is an apocalyptic number.

125366045535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125366045535 is a deficient number, since it is larger than the sum of its proper divisors (99023076513).

125366045535 is a wasteful number, since it uses less digits than its factorization.

125366045535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31396 (or 31393 counting only the distinct ones).

The product of its (nonzero) digits is 1620000, while the sum is 45.

The spelling of 125366045535 in words is "one hundred twenty-five billion, three hundred sixty-six million, forty-five thousand, five hundred thirty-five".