15033138137540 has 12 divisors (see below), whose sum is σ = 31569590088876. Its totient is φ = 6013255255008.

The previous prime is 15033138137539. The next prime is 15033138137587. The reversal of 15033138137540 is 4573183133051.

It can be written as a sum of positive squares in 2 ways, for example, as 6359394542656 + 8673743594884 = 2521784^2 + 2945122^2 .

It is a junction number, because it is equal to n+sod(n) for n = 15033138137491 and 15033138137500.

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 3 ways as a sum of consecutive naturals, for example, 375828453419 + ... + 375828453458.

It is an arithmetic number, because the mean of its divisors is an integer number (2630799174073).

Almost surely, 2^{15033138137540} is an apocalyptic number.

15033138137540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15033138137540 is an abundant number, since it is smaller than the sum of its proper divisors (16536451951336).

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

15033138137540 is a wasteful number, since it uses less digits than its factorization.

15033138137540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751656906886 (or 751656906884 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 15033138137540 in words is "fifteen trillion, thirty-three billion, one hundred thirty-eight million, one hundred thirty-seven thousand, five hundred forty".