1051655101439 has 2 divisors, whose sum is σ = 1051655101440. Its totient is φ = 1051655101438.

The previous prime is 1051655101423. The next prime is 1051655101477. The reversal of 1051655101439 is 9341015561501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1051655101439 - 2⁴ = 1051655101423 is a prime.

It is a super-2 number, since 2×1051655101439² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1051655101396 and 1051655101405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1051655101639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525827550719 + 525827550720.

It is an arithmetic number, because the mean of its divisors is an integer number (525827550720).

Almost surely, 2^{1051655101439} is an apocalyptic number.

1051655101439 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051655101439 is an equidigital number, since it uses as much as digits as its factorization.

1051655101439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81000, while the sum is 41.

The spelling of 1051655101439 in words is "one trillion, fifty-one billion, six hundred fifty-five million, one hundred one thousand, four hundred thirty-nine".