15775375420123 has 8 divisors (see below), whose sum is σ = 17312551361280. Its totient is φ = 14255374629480.

The previous prime is 15775375420121. The next prime is 15775375420141. The reversal of 15775375420123 is 32102457357751.

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

It is a cyclic number.

It is not a de Polignac number, because 15775375420123 - 2¹ = 15775375420121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15775375420121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4293785703 + ... + 4293789376.

It is an arithmetic number, because the mean of its divisors is an integer number (2164068920160).

Almost surely, 2^{15775375420123} is an apocalyptic number.

15775375420123 is a deficient number, since it is larger than the sum of its proper divisors (1537175941157).

15775375420123 is a wasteful number, since it uses less digits than its factorization.

15775375420123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8587575257.

The product of its (nonzero) digits is 6174000, while the sum is 52.

The spelling of 15775375420123 in words is "fifteen trillion, seven hundred seventy-five billion, three hundred seventy-five million, four hundred twenty thousand, one hundred twenty-three".