172701899512540 has 48 divisors (see below), whose sum is σ = 363336148560672. Its totient is φ = 68954641715456.

The previous prime is 172701899512517. The next prime is 172701899512543. The reversal of 172701899512540 is 45215998107271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172701899512543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 396399702 + ... + 396835138.

It is an arithmetic number, because the mean of its divisors is an integer number (7569503095014).

Almost surely, 2^{172701899512540} is an apocalyptic number.

172701899512540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172701899512540 is an abundant number, since it is smaller than the sum of its proper divisors (190634249048132).

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

172701899512540 is a wasteful number, since it uses less digits than its factorization.

172701899512540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471606 (or 471604 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 61.

The spelling of 172701899512540 in words is "one hundred seventy-two trillion, seven hundred one billion, eight hundred ninety-nine million, five hundred twelve thousand, five hundred forty".