157021061120 has 720 divisors, whose sum is σ = 495348962304. Its totient is φ = 46714060800.

The previous prime is 157021061083. The next prime is 157021061147. The reversal of 157021061120 is 21160120751.

It is a super-2 number, since 2×157021061120² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 157021061120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2150973404 + ... + 2150973476.

Almost surely, 2^157021061120 is an apocalyptic number.

157021061120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157021061120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (247674481152).

157021061120 is an abundant number, since it is smaller than the sum of its proper divisors (338327901184).

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

157021061120 is an equidigital number, since it uses as much as digits as its factorization.

157021061120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 26.

Adding to 157021061120 its reverse (21160120751), we get a palindrome (178181181871).

The spelling of 157021061120 in words is "one hundred fifty-seven billion, twenty-one million, sixty-one thousand, one hundred twenty".