1515036061040 has 80 divisors (see below), whose sum is σ = 3559512980160. Its totient is φ = 599646873600.

The previous prime is 1515036061037. The next prime is 1515036061051. The reversal of 1515036061040 is 401606305151.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 1515036060988 and 1515036061006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13331981 + ... + 13445139.

It is an arithmetic number, because the mean of its divisors is an integer number (44493912252).

Almost surely, 2^{1515036061040} is an apocalyptic number.

1515036061040 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 1515036061040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1779756490080).

1515036061040 is an abundant number, since it is smaller than the sum of its proper divisors (2044476919120).

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

1515036061040 is a wasteful number, since it uses less digits than its factorization.

1515036061040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114930 (or 114924 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 1515036061040 in words is "one trillion, five hundred fifteen billion, thirty-six million, sixty-one thousand, forty".