61050551000551 has 8 divisors (see below), whose sum is σ = 72022769844224. Its totient is φ = 50641010046360.

The previous prime is 61050551000539. The next prime is 61050551000587. The reversal of 61050551000551 is 15500015505016.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61050551000551 - 2¹⁷ = 61050550869479 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 (61050555000551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140669472135 + ... + 140669472568.

It is an arithmetic number, because the mean of its divisors is an integer number (9002846230528).

Almost surely, 2^{61050551000551} is an apocalyptic number.

61050551000551 is a deficient number, since it is larger than the sum of its proper divisors (10972218843673).

61050551000551 is a wasteful number, since it uses less digits than its factorization.

61050551000551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281338944741.

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

Adding to 61050551000551 its reverse (15500015505016), we get a palindrome (76550566505567).

The spelling of 61050551000551 in words is "sixty-one trillion, fifty billion, five hundred fifty-one million, five hundred fifty-one", and thus it is an aban number.