125440535535 has 16 divisors (see below), whose sum is σ = 229376979456. Its totient is φ = 57344244768.

The previous prime is 125440535513. The next prime is 125440535543. The reversal of 125440535535 is 535535044521.

It is not a de Polignac number, because 125440535535 - 2⁹ = 125440535023 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 597335779 + ... + 597335988.

It is an arithmetic number, because the mean of its divisors is an integer number (14336061216).

Almost surely, 2^125440535535 is an apocalyptic number.

125440535535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125440535535 is a deficient number, since it is larger than the sum of its proper divisors (103936443921).

125440535535 is a wasteful number, since it uses less digits than its factorization.

125440535535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194671782.

The product of its (nonzero) digits is 900000, while the sum is 42.

The spelling of 125440535535 in words is "one hundred twenty-five billion, four hundred forty million, five hundred thirty-five thousand, five hundred thirty-five".