15104426665261 has 8 divisors (see below), whose sum is σ = 15128594744384. Its totient is φ = 15080259317760.

The previous prime is 15104426665241. The next prime is 15104426665309. The reversal of 15104426665261 is 16256662440151.

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 15104426665261 - 2¹¹ = 15104426663213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15104426665201) 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, 53890861 + ... + 54170413.

It is an arithmetic number, because the mean of its divisors is an integer number (1891074343048).

Almost surely, 2^{15104426665261} is an apocalyptic number.

It is an amenable number.

15104426665261 is a deficient number, since it is larger than the sum of its proper divisors (24168079123).

15104426665261 is an equidigital number, since it uses as much as digits as its factorization.

15104426665261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365811.

The product of its (nonzero) digits is 2073600, while the sum is 49.

The spelling of 15104426665261 in words is "fifteen trillion, one hundred four billion, four hundred twenty-six million, six hundred sixty-five thousand, two hundred sixty-one".