61006055011051 has 16 divisors (see below), whose sum is σ = 63732149913600. Its totient is φ = 58328398814400.

The previous prime is 61006055011037. The next prime is 61006055011079. The reversal of 61006055011051 is 15011055060016.

It is a cyclic number.

It is not a de Polignac number, because 61006055011051 - 2¹³ = 61006055002859 is a prime.

It is a super-2 number, since 2×61006055011051² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61006055011081) 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, 5307855 + ... + 12255016.

It is an arithmetic number, because the mean of its divisors is an integer number (3983259369600).

Almost surely, 2^{61006055011051} is an apocalyptic number.

61006055011051 is a deficient number, since it is larger than the sum of its proper divisors (2726094902549).

61006055011051 is a wasteful number, since it uses less digits than its factorization.

61006055011051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17564250.

The product of its (nonzero) digits is 4500, while the sum is 31.

The spelling of 61006055011051 in words is "sixty-one trillion, six billion, fifty-five million, eleven thousand, fifty-one".