15450225050 has 72 divisors (see below), whose sum is σ = 31959707796. Its totient is φ = 5550405120.

The previous prime is 15450225047. The next prime is 15450225053. The reversal of 15450225050 is 5052205451.

It is an interprime number because it is at equal distance from previous prime (15450225047) and next prime (15450225053).

It can be written as a sum of positive squares in 18 ways, for example, as 6446521 + 15443778529 = 2539^2 + 124273^2 .

It is not an unprimeable number, because it can be changed into a prime (15450225053) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 287942 + ... + 337358.

Almost surely, 2^15450225050 is an apocalyptic number.

15450225050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15450225050 is an abundant number, since it is smaller than the sum of its proper divisors (16509482746).

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

15450225050 is a wasteful number, since it uses less digits than its factorization.

15450225050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49492 (or 49474 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

The spelling of 15450225050 in words is "fifteen billion, four hundred fifty million, two hundred twenty-five thousand, fifty".