1055515061616 has 40 divisors (see below), whose sum is σ = 2728814689920. Its totient is φ = 351571586496.

The previous prime is 1055515061611. The next prime is 1055515061659. The reversal of 1055515061616 is 6161605155501.

It is a super-2 number, since 2×1055515061616² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055515061611) 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, 8272510 + ... + 8399133.

It is an arithmetic number, because the mean of its divisors is an integer number (68220367248).

Almost surely, 2^{1055515061616} is an apocalyptic number.

1055515061616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1055515061616 is an abundant number, since it is smaller than the sum of its proper divisors (1673299628304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1055515061616 is a wasteful number, since it uses less digits than its factorization.

1055515061616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16672973 (or 16672967 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 42.

The spelling of 1055515061616 in words is "one trillion, fifty-five billion, five hundred fifteen million, sixty-one thousand, six hundred sixteen".