1342261526551 has 16 divisors (see below), whose sum is σ = 1512666777600. Its totient is φ = 1179979567200.

The previous prime is 1342261526537. The next prime is 1342261526563. The reversal of 1342261526551 is 1556251622431.

It is a cyclic number.

It is not a de Polignac number, because 1342261526551 - 2³⁵ = 1307901788183 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1342261526498 and 1342261526507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342261526521) 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, 1042356 + ... + 1941913.

It is an arithmetic number, because the mean of its divisors is an integer number (94541673600).

Almost surely, 2^{1342261526551} is an apocalyptic number.

1342261526551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1342261526551 is a deficient number, since it is larger than the sum of its proper divisors (170405251049).

1342261526551 is a wasteful number, since it uses less digits than its factorization.

1342261526551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2985630.

The product of its digits is 432000, while the sum is 43.

The spelling of 1342261526551 in words is "one trillion, three hundred forty-two billion, two hundred sixty-one million, five hundred twenty-six thousand, five hundred fifty-one".