15364253744450 has 54 divisors (see below), whose sum is σ = 30945605543937. Its totient is φ = 5672822188800.

The previous prime is 15364253744431. The next prime is 15364253744491. The reversal of 15364253744450 is 5444735246351.

It can be written as a sum of positive squares in 14 ways, for example, as 2194329680929 + 13169924063521 = 1481327^2 + 3629039^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2771665.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15364253744392 and 15364253744401.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 360295130 + ... + 360337770.

Almost surely, 2^{15364253744450} is an apocalyptic number.

15364253744450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15364253744450 is an abundant number, since it is smaller than the sum of its proper divisors (15581351799487).

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

15364253744450 is an frugal number, since it uses more digits than its factorization.

15364253744450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85320 (or 42661 counting only the distinct ones).

The product of its (nonzero) digits is 24192000, while the sum is 53.

The spelling of 15364253744450 in words is "fifteen trillion, three hundred sixty-four billion, two hundred fifty-three million, seven hundred forty-four thousand, four hundred fifty".