1055491071264 has 72 divisors (see below), whose sum is σ = 3430345988160. Its totient is φ = 301568876928.

The previous prime is 1055491071253. The next prime is 1055491071301. The reversal of 1055491071264 is 4621701945501.

1055491071264 is a `hidden beast` number, since 1 + 0 + 5 + 549 + 10 + 71 + 26 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×1055491071264² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 261776524 + ... + 261780555.

It is an arithmetic number, because the mean of its divisors is an integer number (47643694280).

Almost surely, 2^{1055491071264} is an apocalyptic number.

1055491071264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1055491071264 is an abundant number, since it is smaller than the sum of its proper divisors (2374854916896).

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

1055491071264 is a wasteful number, since it uses less digits than its factorization.

1055491071264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523557102 (or 523557091 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The spelling of 1055491071264 in words is "one trillion, fifty-five billion, four hundred ninety-one million, seventy-one thousand, two hundred sixty-four".