1252313104551 has 128 divisors (see below), whose sum is σ = 1892629094400. Its totient is φ = 733118791680.

The previous prime is 1252313104517. The next prime is 1252313104561. The reversal of 1252313104551 is 1554013132521.

It is not a de Polignac number, because 1252313104551 - 2⁹ = 1252313104039 is a prime.

It is a super-3 number, since 3×1252313104551³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252313104561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2170386375 + ... + 2170386951.

It is an arithmetic number, because the mean of its divisors is an integer number (14786164800).

Almost surely, 2^{1252313104551} is an apocalyptic number.

1252313104551 is a deficient number, since it is larger than the sum of its proper divisors (640315989849).

1252313104551 is a wasteful number, since it uses less digits than its factorization.

1252313104551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129.

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 1252313104551 in words is "one trillion, two hundred fifty-two billion, three hundred thirteen million, one hundred four thousand, five hundred fifty-one".