1051061056101 has 80 divisors (see below), whose sum is σ = 1876878989568. Its totient is φ = 573125414400.

The previous prime is 1051061056063. The next prime is 1051061056103. The reversal of 1051061056101 is 1016501601501.

It is not a de Polignac number, because 1051061056101 - 2⁷ = 1051061055973 is a prime.

It is a super-2 number, since 2×1051061056101² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051061056103) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5394541 + ... + 5585981.

Almost surely, 2^{1051061056101} is an apocalyptic number.

It is an amenable number.

1051061056101 is a deficient number, since it is larger than the sum of its proper divisors (825817933467).

1051061056101 is a wasteful number, since it uses less digits than its factorization.

1051061056101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191904 (or 191895 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 27.

Adding to 1051061056101 its reverse (1016501601501), we get a palindrome (2067562657602).

The spelling of 1051061056101 in words is "one trillion, fifty-one billion, sixty-one million, fifty-six thousand, one hundred one".