1061055500551 has 16 divisors (see below), whose sum is σ = 1066983211008. Its totient is φ = 1055148328800.

The previous prime is 1061055500473. The next prime is 1061055500569. The reversal of 1061055500551 is 1550055501601.

1061055500551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1061055500551 - 2¹³ = 1061055492359 is a prime.

It is a super-2 number, since 2×1061055500551² (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 (1061055500581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 397248946 + ... + 397251616.

It is an arithmetic number, because the mean of its divisors is an integer number (66686450688).

Almost surely, 2^{1061055500551} is an apocalyptic number.

1061055500551 is a deficient number, since it is larger than the sum of its proper divisors (5927710457).

1061055500551 is a wasteful number, since it uses less digits than its factorization.

1061055500551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5742.

The product of its (nonzero) digits is 18750, while the sum is 34.

The spelling of 1061055500551 in words is "one trillion, sixty-one billion, fifty-five million, five hundred thousand, five hundred fifty-one".