1055501051061 has 16 divisors (see below), whose sum is σ = 1407946083264. Its totient is φ = 703361779584.

The previous prime is 1055501051047. The next prime is 1055501051069. The reversal of 1055501051061 is 1601501055501.

It is not a de Polignac number, because 1055501051061 - 2²³ = 1055492662453 is a prime.

It is a super-2 number, since 2×1055501051061² (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 (1055501051069) 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, 121220070 + ... + 121228776.

It is an arithmetic number, because the mean of its divisors is an integer number (87996630204).

Almost surely, 2^{1055501051061} is an apocalyptic number.

It is an amenable number.

1055501051061 is a deficient number, since it is larger than the sum of its proper divisors (352445032203).

1055501051061 is an equidigital number, since it uses as much as digits as its factorization.

1055501051061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21620.

The product of its (nonzero) digits is 3750, while the sum is 30.

The spelling of 1055501051061 in words is "one trillion, fifty-five billion, five hundred one million, fifty-one thousand, sixty-one".