147911528520 has 128 divisors (see below), whose sum is σ = 563472518400. Its totient is φ = 33808347648.

The previous prime is 147911528519. The next prime is 147911528539. The reversal of 147911528520 is 25825119741.

147911528520 is a `hidden beast` number, since 1 + 4 + 7 + 9 + 115 + 2 + 8 + 520 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9774949 + ... + 9790068.

It is an arithmetic number, because the mean of its divisors is an integer number (4402129050).

Almost surely, 2^147911528520 is an apocalyptic number.

147911528520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

147911528520 is an abundant number, since it is smaller than the sum of its proper divisors (415560989880).

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

147911528520 is a wasteful number, since it uses less digits than its factorization.

147911528520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19565044 (or 19565034 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 45.

The spelling of 147911528520 in words is "one hundred forty-seven billion, nine hundred eleven million, five hundred twenty-eight thousand, five hundred twenty".