15248949975 has 96 divisors (see below), whose sum is σ = 33406909440. Its totient is φ = 6667816320.

The previous prime is 15248949973. The next prime is 15248949977. The reversal of 15248949975 is 57994984251.

15248949975 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (15248949973) and next prime (15248949977).

It is not a de Polignac number, because 15248949975 - 2¹ = 15248949973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15248949973) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 38517 + ... + 178833.

It is an arithmetic number, because the mean of its divisors is an integer number (347988640).

Almost surely, 2^15248949975 is an apocalyptic number.

15248949975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15248949975 is an abundant number, since it is smaller than the sum of its proper divisors (18157959465).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15248949975 is a wasteful number, since it uses less digits than its factorization.

15248949975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140366 (or 140355 counting only the distinct ones).

The product of its digits is 32659200, while the sum is 63.

The spelling of 15248949975 in words is "fifteen billion, two hundred forty-eight million, nine hundred forty-nine thousand, nine hundred seventy-five".