1011061051057 has 8 divisors (see below), whose sum is σ = 1034807253920. Its totient is φ = 987325446240.

The previous prime is 1011061051043. The next prime is 1011061051067. The reversal of 1011061051057 is 7501501601101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1011061051057 - 2¹⁹ = 1011060526769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011061051037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2456307 + ... + 2838232.

It is an arithmetic number, because the mean of its divisors is an integer number (129350906740).

Almost surely, 2^{1011061051057} is an apocalyptic number.

It is an amenable number.

1011061051057 is a deficient number, since it is larger than the sum of its proper divisors (23746202863).

1011061051057 is an equidigital number, since it uses as much as digits as its factorization.

1011061051057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5299023.

The product of its (nonzero) digits is 1050, while the sum is 28.

Adding to 1011061051057 its reverse (7501501601101), we get a palindrome (8512562652158).

The spelling of 1011061051057 in words is "one trillion, eleven billion, sixty-one million, fifty-one thousand, fifty-seven".