1552255101551 has 16 divisors (see below), whose sum is σ = 1935565893888. Its totient is φ = 1209370176000.

The previous prime is 1552255101511. The next prime is 1552255101563. The reversal of 1552255101551 is 1551015522551.

It is not a de Polignac number, because 1552255101551 - 2²⁶ = 1552187992687 is a prime.

It is a super-4 number, since 4×1552255101551⁴ (a number of 50 digits) contains 4444 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 (1552255101511) 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 15 ways as a sum of consecutive naturals, for example, 969650 + ... + 2011151.

It is an arithmetic number, because the mean of its divisors is an integer number (120972868368).

Almost surely, 2^{1552255101551} is an apocalyptic number.

1552255101551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1552255101551 is a deficient number, since it is larger than the sum of its proper divisors (383310792337).

1552255101551 is a wasteful number, since it uses less digits than its factorization.

1552255101551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2987582.

The product of its (nonzero) digits is 62500, while the sum is 38.

The spelling of 1552255101551 in words is "one trillion, five hundred fifty-two billion, two hundred fifty-five million, one hundred one thousand, five hundred fifty-one".