1260223757551 has 8 divisors (see below), whose sum is σ = 1385614669824. Its totient is φ = 1136637031320.

The previous prime is 1260223757501. The next prime is 1260223757557. The reversal of 1260223757551 is 1557573220621.

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 1260223757551 - 2¹³ = 1260223749359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260223757557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 451045045 + ... + 451047838.

It is an arithmetic number, because the mean of its divisors is an integer number (173201833728).

Almost surely, 2^{1260223757551} is an apocalyptic number.

1260223757551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1260223757551 is a deficient number, since it is larger than the sum of its proper divisors (125390912273).

1260223757551 is a wasteful number, since it uses less digits than its factorization.

1260223757551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902093021.

The product of its (nonzero) digits is 882000, while the sum is 46.

The spelling of 1260223757551 in words is "one trillion, two hundred sixty billion, two hundred twenty-three million, seven hundred fifty-seven thousand, five hundred fifty-one".