1615566150401 has 8 divisors (see below), whose sum is σ = 1847508848640. Its totient is φ = 1383910335648.

The previous prime is 1615566150377. The next prime is 1615566150403. The reversal of 1615566150401 is 1040516655161.

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 1615566150401 - 2¹⁰ = 1615566149377 is a prime.

It is a super-2 number, since 2×1615566150401² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1615566150403) 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, 71708801 + ... + 71731326.

It is an arithmetic number, because the mean of its divisors is an integer number (230938606080).

Almost surely, 2^{1615566150401} is an apocalyptic number.

It is an amenable number.

1615566150401 is a deficient number, since it is larger than the sum of its proper divisors (231942698239).

1615566150401 is a wasteful number, since it uses less digits than its factorization.

1615566150401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143441743.

The product of its (nonzero) digits is 108000, while the sum is 41.

The spelling of 1615566150401 in words is "one trillion, six hundred fifteen billion, five hundred sixty-six million, one hundred fifty thousand, four hundred one".