1515166061541 has 32 divisors (see below), whose sum is σ = 2245613715072. Its totient is φ = 900894908160.

The previous prime is 1515166061537. The next prime is 1515166061561. The reversal of 1515166061541 is 1451606615151.

It is not a de Polignac number, because 1515166061541 - 2² = 1515166061537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1515166061493 and 1515166061502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1515166061561) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 47019751 + ... + 47051963.

It is an arithmetic number, because the mean of its divisors is an integer number (70175428596).

Almost surely, 2^{1515166061541} is an apocalyptic number.

1515166061541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1515166061541 is a deficient number, since it is larger than the sum of its proper divisors (730447653531).

1515166061541 is a wasteful number, since it uses less digits than its factorization.

1515166061541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59173.

The product of its (nonzero) digits is 108000, while the sum is 42.

The spelling of 1515166061541 in words is "one trillion, five hundred fifteen billion, one hundred sixty-six million, sixty-one thousand, five hundred forty-one".