15150010601661 has 8 divisors (see below), whose sum is σ = 21753861376800. Its totient is φ = 9323083447152.

The previous prime is 15150010601657. The next prime is 15150010601699. The reversal of 15150010601661 is 16610601005151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15150010601661 - 2² = 15150010601657 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15150060601661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194230905111 + ... + 194230905188.

It is an arithmetic number, because the mean of its divisors is an integer number (2719232672100).

Almost surely, 2^{15150010601661} is an apocalyptic number.

It is an amenable number.

15150010601661 is a deficient number, since it is larger than the sum of its proper divisors (6603850775139).

15150010601661 is a wasteful number, since it uses less digits than its factorization.

15150010601661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388461810315.

The product of its (nonzero) digits is 5400, while the sum is 33.

The spelling of 15150010601661 in words is "fifteen trillion, one hundred fifty billion, ten million, six hundred one thousand, six hundred sixty-one".