125201167342640 has 40 divisors (see below), whose sum is σ = 297862312081488. Its totient is φ = 48915804913920.

The previous prime is 125201167342633. The next prime is 125201167342661. The reversal of 125201167342640 is 46243761102521.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 125201167342591 and 125201167342600.

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, 18197840651 + ... + 18197847530.

Almost surely, 2^{125201167342640} is an apocalyptic number.

125201167342640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125201167342640 is an abundant number, since it is smaller than the sum of its proper divisors (172661144738848).

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

125201167342640 is a wasteful number, since it uses less digits than its factorization.

125201167342640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36395688237 (or 36395688231 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 125201167342640 in words is "one hundred twenty-five trillion, two hundred one billion, one hundred sixty-seven million, three hundred forty-two thousand, six hundred forty".