61010011010551 has 16 divisors (see below), whose sum is σ = 62461787325696. Its totient is φ = 59577691375296.

The previous prime is 61010011010461. The next prime is 61010011010561. The reversal of 61010011010551 is 15501011001016.

It is a cyclic number.

It is not a de Polignac number, because 61010011010551 - 2²⁹ = 61009474139639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61010011010561) 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, 6618325 + ... + 12877198.

It is an arithmetic number, because the mean of its divisors is an integer number (3903861707856).

Almost surely, 2^{61010011010551} is an apocalyptic number.

61010011010551 is a deficient number, since it is larger than the sum of its proper divisors (1451776315145).

61010011010551 is a wasteful number, since it uses less digits than its factorization.

61010011010551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19496022.

The product of its (nonzero) digits is 150, while the sum is 22.

Adding to 61010011010551 its reverse (15501011001016), we get a palindrome (76511022011567).

The spelling of 61010011010551 in words is "sixty-one trillion, ten billion, eleven million, ten thousand, five hundred fifty-one".