1055211433530 has 64 divisors (see below), whose sum is σ = 2674896013440. Its totient is φ = 265669860096.

The previous prime is 1055211433499. The next prime is 1055211433543. The reversal of 1055211433530 is 353341125501.

It is a super-2 number, since 2×1055211433530² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1055211433491 and 1055211433500.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2992117 + ... + 3326136.

It is an arithmetic number, because the mean of its divisors is an integer number (41795250210).

Almost surely, 2^{1055211433530} is an apocalyptic number.

1055211433530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1055211433530 is an abundant number, since it is smaller than the sum of its proper divisors (1619684579910).

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

1055211433530 is a wasteful number, since it uses less digits than its factorization.

1055211433530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6318575.

The product of its (nonzero) digits is 27000, while the sum is 33.

The spelling of 1055211433530 in words is "one trillion, fifty-five billion, two hundred eleven million, four hundred thirty-three thousand, five hundred thirty".