157725280020070 has 32 divisors (see below), whose sum is σ = 332377175462976. Its totient is φ = 52758281817600.

The previous prime is 157725280019929. The next prime is 157725280020071. The reversal of 157725280020070 is 70020082527751.

It is a self number, because there is not a number n which added to its sum of digits gives 157725280020070.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157725280020071) 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, 27478268911 + ... + 27478274650.

It is an arithmetic number, because the mean of its divisors is an integer number (10386786733218).

Almost surely, 2^{157725280020070} is an apocalyptic number.

157725280020070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157725280020070 is an abundant number, since it is smaller than the sum of its proper divisors (174651895442906).

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

157725280020070 is a wasteful number, since it uses less digits than its factorization.

157725280020070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54956543616.

The product of its (nonzero) digits is 548800, while the sum is 46.

The spelling of 157725280020070 in words is "one hundred fifty-seven trillion, seven hundred twenty-five billion, two hundred eighty million, twenty thousand, seventy".