1551148875 has 24 divisors (see below), whose sum is σ = 2796206400. Its totient is φ = 827278800.

The previous prime is 1551148843. The next prime is 1551148883. The reversal of 1551148875 is 5788411551.

1551148875 is a `hidden beast` number, since 1 + 551 + 14 + 8 + 87 + 5 = 666.

It is not a de Polignac number, because 1551148875 - 2⁵ = 1551148843 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1551148875.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 688275 + ... + 690524.

It is an arithmetic number, because the mean of its divisors is an integer number (116508600).

Almost surely, 2^1551148875 is an apocalyptic number.

1551148875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1551148875 is a deficient number, since it is larger than the sum of its proper divisors (1245057525).

1551148875 is a wasteful number, since it uses less digits than its factorization.

1551148875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378820 (or 1378807 counting only the distinct ones).

The product of its digits is 224000, while the sum is 45.

The square root of 1551148875 is about 39384.6273944543. The cubic root of 1551148875 is about 1157.5803892811.

It can be divided in two parts, 1551 and 148875, that added together give a triangular number (150426 = T₅₄₈).

The spelling of 1551148875 in words is "one billion, five hundred fifty-one million, one hundred forty-eight thousand, eight hundred seventy-five".