1539988101120 has 1536 divisors, whose sum is σ = 6260533493760. Its totient is φ = 315107573760.

The previous prime is 1539988101059. The next prime is 1539988101133. The reversal of 1539988101120 is 211018899351.

It is a tau number, because it is divible by the number of its divisors (1536).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 1539988101120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 12125890497 + ... + 12125890623.

It is an arithmetic number, because the mean of its divisors is an integer number (4075868160).

Almost surely, 2^{1539988101120} is an apocalyptic number.

1539988101120 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 1539988101120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3130266746880).

1539988101120 is an abundant number, since it is smaller than the sum of its proper divisors (4720545392640).

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

1539988101120 is a wasteful number, since it uses less digits than its factorization.

1539988101120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 48.

The spelling of 1539988101120 in words is "one trillion, five hundred thirty-nine billion, nine hundred eighty-eight million, one hundred one thousand, one hundred twenty".