1055051221892 has 6 divisors (see below), whose sum is σ = 1846339638318. Its totient is φ = 527525610944.

The previous prime is 1055051221849. The next prime is 1055051221897. The reversal of 1055051221892 is 2981221505501.

1055051221892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 855192154756 + 199859067136 = 924766^2 + 447056^2 .

It is a super-2 number, since 2×1055051221892² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055051221897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131881402733 + ... + 131881402740.

It is an arithmetic number, because the mean of its divisors is an integer number (307723273053).

Almost surely, 2^{1055051221892} is an apocalyptic number.

It is an amenable number.

1055051221892 is a deficient number, since it is larger than the sum of its proper divisors (791288416426).

1055051221892 is a wasteful number, since it uses less digits than its factorization.

1055051221892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263762805477 (or 263762805475 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 41.

The spelling of 1055051221892 in words is "one trillion, fifty-five billion, fifty-one million, two hundred twenty-one thousand, eight hundred ninety-two".