45103512551 has 4 divisors (see below), whose sum is σ = 45208161504. Its totient is φ = 44998863600.

The previous prime is 45103512547. The next prime is 45103512607. The reversal of 45103512551 is 15521530154.

45103512551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45103512551 - 2² = 45103512547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45103512521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52323830 + ... + 52324691.

It is an arithmetic number, because the mean of its divisors is an integer number (11302040376).

Almost surely, 2^45103512551 is an apocalyptic number.

45103512551 is a deficient number, since it is larger than the sum of its proper divisors (104648953).

45103512551 is a wasteful number, since it uses less digits than its factorization.

45103512551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104648952.

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 45103512551 in words is "forty-five billion, one hundred three million, five hundred twelve thousand, five hundred fifty-one".