15087197749248 has 840 divisors, whose sum is σ = 49037698610208. Its totient is φ = 4623163195392.

The previous prime is 15087197749243. The next prime is 15087197749249. The reversal of 15087197749248 is 84294779178051.

15087197749248 is a `hidden beast` number, since 1 + 5 + 0 + 8 + 7 + 1 + 97 + 7 + 492 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (15087197749243) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 350865063915 + ... + 350865063957.

Almost surely, 2^{15087197749248} is an apocalyptic number.

15087197749248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15087197749248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24518849305104).

15087197749248 is an abundant number, since it is smaller than the sum of its proper divisors (33950500860960).

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

15087197749248 is an frugal number, since it uses more digits than its factorization.

15087197749248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 284497920, while the sum is 72.

It can be divided in two parts, 150871977 and 49248, that added together give a square (150921225 = 12285²).

The spelling of 15087197749248 in words is "fifteen trillion, eighty-seven billion, one hundred ninety-seven million, seven hundred forty-nine thousand, two hundred forty-eight".