1055134015021 has 4 divisors (see below), whose sum is σ = 1055140985632. Its totient is φ = 1055127044412.

The previous prime is 1055134014983. The next prime is 1055134015031. The reversal of 1055134015021 is 1205104315501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1055134015021 - 2²¹ = 1055131917869 is a prime.

It is a super-2 number, since 2×1055134015021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055134015031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3253095 + ... + 3562708.

It is an arithmetic number, because the mean of its divisors is an integer number (263785246408).

Almost surely, 2^{1055134015021} is an apocalyptic number.

It is an amenable number.

1055134015021 is a deficient number, since it is larger than the sum of its proper divisors (6970611).

1055134015021 is an equidigital number, since it uses as much as digits as its factorization.

1055134015021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6970610.

The product of its (nonzero) digits is 3000, while the sum is 28.

The spelling of 1055134015021 in words is "one trillion, fifty-five billion, one hundred thirty-four million, fifteen thousand, twenty-one".