150515104561 has 2 divisors, whose sum is σ = 150515104562. Its totient is φ = 150515104560.

The previous prime is 150515104547. The next prime is 150515104583. The reversal of 150515104561 is 165401515051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138109600161 + 12405504400 = 371631^2 + 111380^2 .

It is a cyclic number.

It is not a de Polignac number, because 150515104561 - 2⁵ = 150515104529 is a prime.

It is not a weakly prime, because it can be changed into another prime (150515104511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75257552280 + 75257552281.

It is an arithmetic number, because the mean of its divisors is an integer number (75257552281).

Almost surely, 2^150515104561 is an apocalyptic number.

It is an amenable number.

150515104561 is a deficient number, since it is larger than the sum of its proper divisors (1).

150515104561 is an equidigital number, since it uses as much as digits as its factorization.

150515104561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15000, while the sum is 34.

The spelling of 150515104561 in words is "one hundred fifty billion, five hundred fifteen million, one hundred four thousand, five hundred sixty-one".