1551313769056 has 12 divisors (see below), whose sum is σ = 3054148982892. Its totient is φ = 775656884512.

The previous prime is 1551313769053. The next prime is 1551313769069. The reversal of 1551313769056 is 6509673131551.

It is a super-2 number, since 2×1551313769056² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1551313768994 and 1551313769012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1551313769053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24239277610 + ... + 24239277673.

It is an arithmetic number, because the mean of its divisors is an integer number (254512415241).

Almost surely, 2^{1551313769056} is an apocalyptic number.

1551313769056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1551313769056 is a deficient number, since it is larger than the sum of its proper divisors (1502835213836).

1551313769056 is an equidigital number, since it uses as much as digits as its factorization.

1551313769056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48478555293 (or 48478555285 counting only the distinct ones).

The product of its (nonzero) digits is 2551500, while the sum is 52.

The spelling of 1551313769056 in words is "one trillion, five hundred fifty-one billion, three hundred thirteen million, seven hundred sixty-nine thousand, fifty-six".