1056101005551 has 64 divisors (see below), whose sum is σ = 1481379508224. Its totient is φ = 668600524800.

The previous prime is 1056101005541. The next prime is 1056101005649. The reversal of 1056101005551 is 1555001016501.

It is not a de Polignac number, because 1056101005551 - 2⁹ = 1056101005039 is a prime.

It is a super-2 number, since 2×1056101005551² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056101005541) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 464627551 + ... + 464629823.

It is an arithmetic number, because the mean of its divisors is an integer number (23146554816).

Almost surely, 2^{1056101005551} is an apocalyptic number.

1056101005551 is a deficient number, since it is larger than the sum of its proper divisors (425278502673).

1056101005551 is a wasteful number, since it uses less digits than its factorization.

1056101005551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2904.

The product of its (nonzero) digits is 3750, while the sum is 30.

The spelling of 1056101005551 in words is "one trillion, fifty-six billion, one hundred one million, five thousand, five hundred fifty-one".