147513642991 has 16 divisors (see below), whose sum is σ = 177333045120. Its totient is φ = 120908884320.

The previous prime is 147513642967. The next prime is 147513643001. The reversal of 147513642991 is 199246315741.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 147513642991 - 2⁵ = 147513642959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147513642931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11988781 + ... + 12001078.

It is an arithmetic number, because the mean of its divisors is an integer number (11083315320).

Almost surely, 2^147513642991 is an apocalyptic number.

147513642991 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

147513642991 is a deficient number, since it is larger than the sum of its proper divisors (29819402129).

147513642991 is a wasteful number, since it uses less digits than its factorization.

147513642991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23989926.

The product of its digits is 1632960, while the sum is 52.

The spelling of 147513642991 in words is "one hundred forty-seven billion, five hundred thirteen million, six hundred forty-two thousand, nine hundred ninety-one".