1260159897601 has 8 divisors (see below), whose sum is σ = 1374790430304. Its totient is φ = 1145541121920.

The previous prime is 1260159897541. The next prime is 1260159897691. The reversal of 1260159897601 is 1067989510621.

It is a happy number.

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 1260159897601 - 2²⁵ = 1260126343169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1260159897691) 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, 2714391 + ... + 3144556.

It is an arithmetic number, because the mean of its divisors is an integer number (171848803788).

Almost surely, 2^{1260159897601} is an apocalyptic number.

1260159897601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1260159897601 is a deficient number, since it is larger than the sum of its proper divisors (114630532703).

1260159897601 is a wasteful number, since it uses less digits than its factorization.

1260159897601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5878511.

The product of its (nonzero) digits is 1632960, while the sum is 55.

The spelling of 1260159897601 in words is "one trillion, two hundred sixty billion, one hundred fifty-nine million, eight hundred ninety-seven thousand, six hundred one".