45911600251 has 4 divisors (see below), whose sum is σ = 50085382104. Its totient is φ = 41737818400.

The previous prime is 45911600243. The next prime is 45911600279. The reversal of 45911600251 is 15200611954.

It is a happy number.

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 45911600251 - 2³ = 45911600243 is a prime.

It is a super-3 number, since 3×45911600251³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45911600281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2086890910 + ... + 2086890931.

It is an arithmetic number, because the mean of its divisors is an integer number (12521345526).

Almost surely, 2^45911600251 is an apocalyptic number.

45911600251 is a deficient number, since it is larger than the sum of its proper divisors (4173781853).

45911600251 is a wasteful number, since it uses less digits than its factorization.

45911600251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4173781852.

The product of its (nonzero) digits is 10800, while the sum is 34.

The spelling of 45911600251 in words is "forty-five billion, nine hundred eleven million, six hundred thousand, two hundred fifty-one".