1026113240551 has 16 divisors (see below), whose sum is σ = 1234485414400. Its totient is φ = 833191969248.

The previous prime is 1026113240549. The next prime is 1026113240567. The reversal of 1026113240551 is 1550423116201.

It is a cyclic number.

It is not a de Polignac number, because 1026113240551 - 2¹ = 1026113240549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1026113240951) 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, 2539606 + ... + 2915788.

It is an arithmetic number, because the mean of its divisors is an integer number (77155338400).

Almost surely, 2^{1026113240551} is an apocalyptic number.

1026113240551 is a deficient number, since it is larger than the sum of its proper divisors (208372173849).

1026113240551 is a wasteful number, since it uses less digits than its factorization.

1026113240551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396718.

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 1026113240551 its reverse (1550423116201), we get a palindrome (2576536356752).

The spelling of 1026113240551 in words is "one trillion, twenty-six billion, one hundred thirteen million, two hundred forty thousand, five hundred fifty-one".