1055505101000 has 64 divisors (see below), whose sum is σ = 2822722231680. Its totient is φ = 361887460800.

The previous prime is 1055505100999. The next prime is 1055505101003. The reversal of 1055505101000 is 1015055501.

It is a happy number.

It is a super-2 number, since 2×1055505101000² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055505101003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75386222 + ... + 75400221.

It is an arithmetic number, because the mean of its divisors is an integer number (44105034870).

Almost surely, 2^{1055505101000} is an apocalyptic number.

1055505101000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1055505101000 is an abundant number, since it is smaller than the sum of its proper divisors (1767217130680).

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

1055505101000 is a wasteful number, since it uses less digits than its factorization.

1055505101000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150786471 (or 150786457 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 23.

The spelling of 1055505101000 in words is "one trillion, fifty-five billion, five hundred five million, one hundred one thousand".