15157562120000 has 140 divisors (see below), whose sum is σ = 39219996658656. Its totient is φ = 5799414720000.

The previous prime is 15157562119981. The next prime is 15157562120003. The reversal of 15157562120000 is 2126575151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15157562120003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7317806 + ... + 9157805.

Almost surely, 2^{15157562120000} is an apocalyptic number.

15157562120000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15157562120000 is an abundant number, since it is smaller than the sum of its proper divisors (24062434538656).

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

15157562120000 is an equidigital number, since it uses as much as digits as its factorization.

15157562120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16475666 (or 16475641 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 35.

Adding to 15157562120000 its reverse (2126575151), we get a palindrome (15159688695151).

The spelling of 15157562120000 in words is "fifteen trillion, one hundred fifty-seven billion, five hundred sixty-two million, one hundred twenty thousand".