1140545544621 has 64 divisors (see below), whose sum is σ = 1777608529920. Its totient is φ = 636977053440.

The previous prime is 1140545544617. The next prime is 1140545544661. The reversal of 1140545544621 is 1264455450411.

It is not a de Polignac number, because 1140545544621 - 2² = 1140545544617 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140545544661) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 629786806 + ... + 629788616.

It is an arithmetic number, because the mean of its divisors is an integer number (27775133280).

Almost surely, 2^{1140545544621} is an apocalyptic number.

It is an amenable number.

1140545544621 is a deficient number, since it is larger than the sum of its proper divisors (637062985299).

1140545544621 is a wasteful number, since it uses less digits than its factorization.

1140545544621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3746.

The product of its (nonzero) digits is 384000, while the sum is 42.

The spelling of 1140545544621 in words is "one trillion, one hundred forty billion, five hundred forty-five million, five hundred forty-four thousand, six hundred twenty-one".