1054615563897 has 32 divisors (see below), whose sum is σ = 1719106566912. Its totient is φ = 561340882944.

The previous prime is 1054615563889. The next prime is 1054615563899. The reversal of 1054615563897 is 7983655164501.

It is a happy number.

It is not a de Polignac number, because 1054615563897 - 2³ = 1054615563889 is a prime.

It is a super-2 number, since 2×1054615563897² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1054615563897.

It is not an unprimeable number, because it can be changed into a prime (1054615563899) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15192718 + ... + 15261975.

It is an arithmetic number, because the mean of its divisors is an integer number (53722080216).

Almost surely, 2^{1054615563897} is an apocalyptic number.

1054615563897 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1054615563897 is a deficient number, since it is larger than the sum of its proper divisors (664491003015).

1054615563897 is a wasteful number, since it uses less digits than its factorization.

1054615563897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30454817.

The product of its (nonzero) digits is 27216000, while the sum is 60.

The spelling of 1054615563897 in words is "one trillion, fifty-four billion, six hundred fifteen million, five hundred sixty-three thousand, eight hundred ninety-seven".