45111919501 has 24 divisors (see below), whose sum is σ = 50862540960. Its totient is φ = 39959562720.

The previous prime is 45111919453. The next prime is 45111919591. The reversal of 45111919501 is 10591911154.

It is not a de Polignac number, because 45111919501 - 2⁷ = 45111919373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45111919591) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2169711 + ... + 2190403.

It is an arithmetic number, because the mean of its divisors is an integer number (2119272540).

Almost surely, 2^45111919501 is an apocalyptic number.

It is an amenable number.

45111919501 is a deficient number, since it is larger than the sum of its proper divisors (5750621459).

45111919501 is a wasteful number, since it uses less digits than its factorization.

45111919501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21177 (or 21166 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 37.

The spelling of 45111919501 in words is "forty-five billion, one hundred eleven million, nine hundred nineteen thousand, five hundred one".